Patent US2977653A successfully refreshed from Google Patents.
US2977653A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic lock for cloth covered buttons
Assignee: Individual
•
Filing: 1958-10-27
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Granted: 1961-04-04
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Expires: 1978-10-27
Abstract
No abstract record available.
Inventors
- 👤 Adinolfi Michael
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:49
CPC Classifications
A; A44; A44B; A44B1/00; A44B1/08; A44B1/12; Y; Y10; Y10T; Y10T24/00; Y10T24/36; Y10T24/367
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB177925A
Cited
US2513182A
Cited
FR1018203A
Cited
US2654927A
Cited
US2717434A
Cited
US2685722A
Cited
FR1044477A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-03 | 1964-10-03 | 1965-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-03 | 1968-10-03 | 1969-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-03 | 1972-10-03 | 1973-04-04 | $7700.00 | Window Closed / Lapsed |