US1803508A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clamp
Assignee: ROSSMAN PATENTS Inc
•
Filing: 1925-06-19
•
Granted: 1931-05-05
•
Expires: 1945-06-19
Abstract
No abstract record available.
Inventors
- 👤 Allen M Rossman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:44
CPC Classifications
E; E04; E04G; E04G7/00; E04G7/02; E04G7/06; E04G7/24; Y; Y10; Y10T; Y10T403/00; Y10T403/34; Y10T403/341; Y10T403/344
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) | 1934-05-04 | 1934-11-03 | 1935-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-05-04 | 1938-11-03 | 1939-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-05-04 | 1942-11-03 | 1943-05-05 | $7700.00 | Window Closed / Lapsed |