US2649638A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Two-way separable fastener stringer
Assignee: Individual
•
Filing: 1950-06-21
•
Granted: 1953-08-25
•
Expires: 1970-06-21
Abstract
No abstract record available.
Inventors
- 👤 Louis H Morin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:28
CPC Classifications
A; A44; A44B; A44B19/00; A44B19/24; A44B19/38; A44B19/382; Y; Y10; Y10T; Y10T24/00; Y10T24/25; Y10T24/2511; Y10T24/2513; Y10T24/2561; Y10T24/2566; Y10T24/2593
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1908233A
Cited
US2037473A
Cited
US2154099A
Cited
US2267079A
Cited
US2358179A
Cited
US2395677A
Cited
US2463937A
Cited
US2502885A
Cited
US2553230A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-24 | 1957-02-23 | 1957-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-24 | 1961-02-23 | 1961-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-24 | 1965-02-23 | 1965-08-25 | $7700.00 | Window Closed / Lapsed |