Patent US4782597A successfully refreshed from Google Patents.
US4782597A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Attachable level indicator
Assignee: Individual
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Filing: 1988-02-04
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Granted: 1988-11-08
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Expires: 2008-02-04
Abstract
Abstract A level-indicating device comprises nail-guiding means for tacking the level onto a door or other wooden structure.
Inventors
- 👤 Norman J. Mills
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:44
CPC Classifications
G; G01; G01C; G01C9/00; G01C9/18; G01C9/24; G01C9/26
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
97 words
A level-indicating-device comprising: (A) supporting means for a bubble tube, said supporting means comprising a plate-like portion, (B) a bubble tube fixedly supported by said supporting means, (C) nail guiding means fixedly attached to said supporting means, said nail-guiding means comprising a rigid tube comprising a threaded outer surface passing through said plate-like portion, synthetic polymeric nail-gripping material confined in said tube and nut means locking said tube to said plate-like portion, and (D) pointed nailing means slidingly gripped in said nail guiding menas whereby said device may be removably attached to a wooden structure being leveled.
Claim 2
Dependent Claim
97 words
A level-indicating-device comprising: (A) supporting means for a bubble tube, said supporting means comprising a plate-like portion, (B) a bubble tube fixedly supported by said supporting means, (C) nail guiding means fixedly attached to said supporting means, said nail-guiding means comprising a rigid tube comprising a threaded outer surface passing through said plate-like portion, synthetic polymeric nail-gripping material confined in said tube and nut means locking said tube to said plate-like portion, and (D) pointed nailing means slidingly gripped in said nail guiding menas whereby said device may be removably attached to a wooden structure being leveled.
Claim 3
Dependent Claim
15 words
The device of claim 1 wherein said plate-like portion comprises the web of an I-beam.
Claim 4
Dependent Claim
19 words
The device of claim 2 comprising two of said nail-guiding means widely spaced along the length of said I-beam.
Claim 5
Dependent Claim
32 words
The device of claim 1 wherein said rigid tube comprises nut means substantially closing one end thereof and an opening through said nut means sufficient for the passage of said nailing means.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-11-08 | 1992-05-09 | 1992-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-11-08 | 1996-05-09 | 1996-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-11-08 | 2000-05-09 | 2000-11-08 | $7700.00 | Window Closed / Lapsed |