Patent US6109270A successfully refreshed from Google Patents.
US3529649A
Expired / Lapsed
US
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Key retaining receptacle
Assignee: Individual
•
Filing: 1968-01-17
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Granted: 1970-09-22
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Expires: 1988-01-17
Abstract
No abstract record available.
Inventors
- 👤 Robert A Bennett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:09
CPC Classifications
A; A45; A45C; A45C11/00; A45C11/32; A45C11/325; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24008; Y10T428/24017
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1835793A
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US2144755A
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US2487897A
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US2789609A
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US2689594A
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US3007568A
Cited
FR1293814A
Cited
US3275053A
Cited
US3262479A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-21 | 1974-03-23 | 1974-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-21 | 1978-03-23 | 1978-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-21 | 1982-03-23 | 1982-09-22 | $7700.00 | Window Closed / Lapsed |