US3436939A
Expired / Lapsed
US
⏱️ 0.0 years remaining
File drawer lock assembly
Assignee: CORPORATION A CORP OF DELAWARE LLC
•
Filing: 1967-04-17
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Granted: 1969-04-08
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Expires: 1987-04-17
Abstract
No abstract record available.
Inventors
- 👤 Robert A Sewell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 16:15
CPC Classifications
E; E05; E05B; E05B65/00; E05B65/46; E05B65/462; Y; Y10; Y10T; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5097; Y10T70/5111; Y10T70/70; Y10T70/7441; Y10T70/7486; Y10T70/7508; Y10T70/7559; Y10T70/7655; Y10T70/7667; Y10T70/7706; Y10T70/80; Y10T70/8432; Y10T70/8459; Y10T70/8541
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1337111A
Cited
US1053124A
Cited
US2275362A
Cited
US2309863A
Cited
US3167943A
Cited
GB1013202A
Cited
DE1172141B
Cited
US3349585A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-07 | 1972-10-07 | 1973-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-07 | 1976-10-07 | 1977-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-07 | 1980-10-07 | 1981-04-08 | $7700.00 | Window Closed / Lapsed |