Patent US1919730A successfully refreshed from Google Patents.
Patent US1699127A successfully refreshed from Google Patents.
Patent US2549783A successfully refreshed from Google Patents.
Patent US3734328A successfully refreshed from Google Patents.
Patent US2423246A successfully refreshed from Google Patents.
Patent US3871070A successfully refreshed from Google Patents.
Patent US1794450A successfully refreshed from Google Patents.
US1794450A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chain tongs
Assignee: Individual
•
Filing: 1929-05-09
•
Granted: 1931-03-03
•
Expires: 1949-05-09
Abstract
No abstract record available.
Inventors
- 👤 Duncan Myler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:38
CPC Classifications
B; B25; B25B; B25B13/00; B25B13/48; B25B13/50; B25B13/52
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) | 1934-03-02 | 1934-09-01 | 1935-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-03-02 | 1938-09-01 | 1939-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-03-02 | 1942-09-01 | 1943-03-03 | $7700.00 | Window Closed / Lapsed |