US2879916A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Locking assembly for receptacle closures
Assignee: TIP TOP PRODUCTS CO
•
Filing: 1956-07-31
•
Granted: 1959-03-31
•
Expires: 1976-07-31
Abstract
No abstract record available.
Inventors
- 👤 Hoffmann Ernest
- 👤 Claude D Gresham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:05
CPC Classifications
A; A45; A45C; A45C13/00; A45C13/26; A45C13/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US308174A
Cited
US463228A
Cited
US896026A
Cited
US1219402A
Cited
US1351325A
Cited
US1815125A
Cited
US2054897A
Cited
US2572629A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-30 | 1962-09-29 | 1963-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-30 | 1966-09-29 | 1967-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-30 | 1970-09-29 | 1971-03-31 | $7700.00 | Window Closed / Lapsed |