Patent US4416100A successfully refreshed from Google Patents.
US4416100A
Expired / Lapsed
US
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Modular wooden floor units and method of manufacture thereof
Assignee: FLORTRON Inc A CORP OF
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Filing: 1981-09-04
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Granted: 1983-11-22
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Expires: 2001-09-04
Abstract
Abstract The present disclosure is directed to a modular floor unit and method of making same. The module is made up of a plurality of lengths of tongue and groove strip flooring having a flat smooth finish on one side and a plurality of channel recesses on the other side. The tongue and groove strips are all of the same length and have the tongue of one strip full into the groove of an adjacent strip. The unfinished side is glued to a plywood back the grain of which is at a right angle to the length of the strips. After gluing the plywood is stapled to the back of the strips.
Inventors
- 👤 Roy A. Troendle, Sr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 08:05
CPC Classifications
E; E04; E04F; E04F15/00; E04F15/02; E04F15/022; E04F15/04; E04F15/045; E04F15/046
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
169 words
A modular floor unit comprising a plurality of lengths of tongue and groove strip flooring having a flat smooth finish on one side and a plurality of channel recesses on their other side (a) said lengths of floor stripping all being of the same length and solid uniform thickness with the tongues inserted in the grooves, (b) a plywood backing member shorter than the length of said stripping and extending beyond one long end of said stripping on the side opposite the flat smooth finish side, the grain of said plywood being at a right angle to the longitudinal axis of the lengths of said strip flooring, (c) a bonding glue in said channel recesses between said stripping and said plywood, (d) a plurality of staple means connecting said plywood backing to said stripping, said staples entering said strip flooring from the plywood side, and (e) said modular unit of stripping having a tongue end across one end of said stripping and a grooved end across the opposite end.
Claim 2
Dependent Claim
169 words
A modular floor unit comprising a plurality of lengths of tongue and groove strip flooring having a flat smooth finish on one side and a plurality of channel recesses on their other side (a) said lengths of floor stripping all being of the same length and solid uniform thickness with the tongues inserted in the grooves, (b) a plywood backing member shorter than the length of said stripping and extending beyond one long end of said stripping on the side opposite the flat smooth finish side, the grain of said plywood being at a right angle to the longitudinal axis of the lengths of said strip flooring, (c) a bonding glue in said channel recesses between said stripping and said plywood, (d) a plurality of staple means connecting said plywood backing to said stripping, said staples entering said strip flooring from the plywood side, and (e) said modular unit of stripping having a tongue end across one end of said stripping and a grooved end across the opposite end.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-11-21 | 1987-05-23 | 1987-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-11-21 | 1991-05-23 | 1991-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-11-21 | 1995-05-23 | 1995-11-22 | $7700.00 | Window Closed / Lapsed |