Patent US2464050A successfully refreshed from Google Patents.
US2464050A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming cast-on end stops for separable fastener stringers
Assignee: Individual
•
Filing: 1943-10-16
•
Granted: 1949-03-08
•
Expires: 1963-10-16
Abstract
No abstract record available.
Inventors
- 👤 Louis H Morin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:06
CPC Classifications
A; A44; A44B; A44B19/00; A44B19/24; A44B19/38; A44B19/36; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49782
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US742074A
Cited
US1813434A
Cited
US2005872A
Cited
US2274722A
Cited
US2137814A
Cited
US2197465A
Cited
US2256769A
Cited
US2261534A
Cited
US2289586A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-03-07 | 1952-09-06 | 1953-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-07 | 1956-09-06 | 1957-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-07 | 1960-09-06 | 1961-03-08 | $7700.00 | Window Closed / Lapsed |