Patent CA642820A successfully refreshed from Google Patents.
Patent US2472474A successfully refreshed from Google Patents.
US2472474A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Latch
Assignee: Individual
•
Filing: 1945-09-07
•
Granted: 1949-06-07
•
Expires: 1965-09-07
Abstract
No abstract record available.
Inventors
- 👤 Charles B Gash
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:14
CPC Classifications
A; A01; A01K; A01K97/00; A01K97/06; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0911; Y10T292/0921; Y10T292/0922; Y10T292/0925
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-06 | 1952-12-06 | 1953-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-06 | 1956-12-06 | 1957-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-06 | 1960-12-06 | 1961-06-07 | $7700.00 | Window Closed / Lapsed |