US3511550A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Knock-down drawer construction
Assignee: Wesley Industries Inc
•
Filing: 1968-10-04
•
Granted: 1970-05-12
•
Expires: 1988-10-04
Abstract
No abstract record available.
Inventors
- 👤 George C Hilfinger
- 👤 Xa D Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:09
CPC Classifications
A; A47; A47B; A47B88/00; A47B88/90; A47B88/941; A47B88/9412; A47B88/9416; A47B2210/00; A47B2210/0002; A47B2210/0027
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1818102A
Cited
US1873933A
Cited
US2069668A
Cited
US2274765A
Cited
US2701174A
Cited
US3273952A
Cited
US3312516A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-11 | 1973-11-10 | 1974-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-11 | 1977-11-10 | 1978-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-11 | 1981-11-10 | 1982-05-12 | $7700.00 | Window Closed / Lapsed |