Patent US2455435A successfully refreshed from Google Patents.
Patent US4254170A successfully refreshed from Google Patents.
Patent US1941812A successfully refreshed from Google Patents.
US1941812A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for the production of a plurality of substantially similar units
Assignee: Individual
•
Filing: 1933-01-09
•
Granted: 1934-01-02
•
Expires: 1953-01-09
Abstract
No abstract record available.
Inventors
- 👤 Muntz Eric Percival
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:47
CPC Classifications
B; B28; B28B; B28B11/00; B28B11/24; B28B11/245; B28B21/00; B28B21/02; B28B21/06; B28B23/00; B28B23/02; B28B23/022; Y; Y10; Y10S; Y10S425/00; Y10S425/218
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) | 1937-01-01 | 1937-07-03 | 1938-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-01-01 | 1941-07-03 | 1942-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-01-01 | 1945-07-03 | 1946-01-02 | $7700.00 | Window Closed / Lapsed |