Patent US2912773A successfully refreshed from Google Patents.
US2912773A
Expired / Lapsed
US
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Detachable top lift for lady's heel with bayonet lock
Assignee: Individual
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Filing: 1959-07-01
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Granted: 1959-11-17
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Expires: 1979-07-01
Abstract
No abstract record available.
Inventors
- 👤 Juan A Boldt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:02
CPC Classifications
A; A43; A43B; A43B21/00; A43B21/36; A43B21/42; A43B21/437; A43B21/24; A43B21/30; A43B21/50; F; F16; F16B; F16B5/00; F16B5/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-16 | 1963-05-18 | 1963-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-16 | 1967-05-18 | 1967-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-16 | 1971-05-18 | 1971-11-17 | $7700.00 | Window Closed / Lapsed |