Patent US2931747A successfully refreshed from Google Patents.
US2931747A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fabric fastener
Assignee: Individual
•
Filing: 1957-02-11
•
Granted: 1960-04-05
•
Expires: 1977-02-11
Abstract
No abstract record available.
Inventors
- 👤 Fred F Dexter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:18
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/56; A61F13/58; Y; Y10; Y10S; Y10S24/00; Y10S24/11; Y10T; Y10T24/00; Y10T24/44; Y10T428/00; Y10T428/19; Y10T428/24; Y10T428/24008
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1299683A
Cited
US1897998A
Cited
US2310292A
Cited
US2338041A
Cited
US2385319A
Cited
US2340651A
Cited
US2400406A
Cited
GB628167A
Cited
US2676704A
Cited
US2760942A
Cited
US2797042A
Cited
US2834347A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-05 | 1963-10-05 | 1964-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-05 | 1967-10-05 | 1968-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-05 | 1971-10-05 | 1972-04-05 | $7700.00 | Window Closed / Lapsed |