Patent US3100574A successfully refreshed from Google Patents.
US3100574A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rack
Assignee: Thompson Industries Inc
•
Filing: 1961-08-22
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Granted: 1963-08-13
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Expires: 1981-08-22
Abstract
No abstract record available.
Inventors
- 👤 William R Buechler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:50
CPC Classifications
A; A47; A47B; A47B57/00; A47B57/30; A47B57/40; A47B57/402
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
88 words
A DEMOUNTABLE RACK COMPRISING, IN COMBINATION, A PAIR OF HORIZONTALLY SPACED SUPPORT MEMBERS HAVING FACING FLANGES AND COPLANAR FLANGES EXTENDING THEREFROM, A TRANSVERSE MEMBER EXTENDING BETWEEN SAID SUPPORT MEMBERS AND HAVING AT ITS ENDS ANGLE SHAPED MEMBERS THE FLANGES OF WHICH OVERLIE THE FLANGES OF SAID SUPPORT MEMBERS, EACH ANGLE MEMBER HAVING A SUPPORT SECTION EXTENDING LATERALLY AND DOWNWARDLY FROM EACH FLANGE THEREOF, EACH FACING FLANGE OF EACH SUPPORT MEMBER HAVING A DOWNWARDLY INCLINED SLOT EXTENDING FROM ITS JUNCTION WITH ITS COPLANAR FLANGE, EACH COPLANAR FLANGE HAVING A
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) | 1966-08-12 | 1967-02-11 | 1967-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-12 | 1971-02-11 | 1971-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-12 | 1975-02-11 | 1975-08-13 | $7700.00 | Window Closed / Lapsed |