Patent US1691045A successfully refreshed from Google Patents.
US1691045A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for cutting tubes
Assignee: Brown Co
•
Filing: 1923-10-04
•
Granted: 1928-11-13
•
Expires: 1943-10-04
Abstract
No abstract record available.
Inventors
- 👤 Burke Edmund
- 👤 Ives Charles Quincy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:54
CPC Classifications
B; B31; B31F; B31F1/00; B31F1/008; B23; B23B; B23B5/00; B23B5/16; B23B5/161; B23B5/162; B31F7/00; B31F7/002; Y; Y10; Y10T; Y10T82/00; Y10T82/25; Y10T82/2522
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) | 1931-11-13 | 1932-05-14 | 1932-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-11-13 | 1936-05-14 | 1936-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-11-13 | 1940-05-14 | 1940-11-13 | $7700.00 | Window Closed / Lapsed |