US2402939A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Closure fastener device
Assignee: Individual
•
Filing: 1943-07-31
•
Granted: 1946-07-02
•
Expires: 1963-07-31
Abstract
No abstract record available.
Inventors
- 👤 Auslander Henry
- 👤 Irving M Krischer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:24
CPC Classifications
E; E05; E05C; E05C19/00; E05C19/06; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0876; Y10T292/0911; Y10T292/0945; Y10T292/0951; Y10T292/0953; Y10T292/1043; Y10T292/1075; Y10T292/1083; Y10T292/1085; Y10T292/68
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1949-07-01 | 1949-12-31 | 1950-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-07-01 | 1953-12-31 | 1954-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-07-01 | 1957-12-31 | 1958-07-02 | $7700.00 | Window Closed / Lapsed |