US3400958A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Interlocking closure
Assignee: Individual
•
Filing: 1966-10-03
•
Granted: 1968-09-10
•
Expires: 1986-10-03
Abstract
No abstract record available.
Inventors
- 👤 Haimes Leonard
- 👤 Perryman Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:51
CPC Classifications
E; E05; E05B; E05B65/00; E05B65/08; E05B65/0811; E05B65/0817; E04; E04B; E04B1/00; E04B1/38; E04B1/61; E04B1/6108; E04B1/612; E04B1/6183
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2647287A
Cited
US2738211A
Cited
US2714751A
Cited
FR1357476A
Cited
US3280522A
Cited
US3327447A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-10 | 1972-03-11 | 1972-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-10 | 1976-03-11 | 1976-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-10 | 1980-03-11 | 1980-09-10 | $7700.00 | Window Closed / Lapsed |