US1651231A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for forming thread protectors
Assignee: COLONA MANUFACTURING Co
•
Filing: 1925-04-16
•
Granted: 1927-11-29
•
Expires: 1945-04-16
Abstract
No abstract record available.
Inventors
- 👤 Peter J Shrum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:52
CPC Classifications
B; B21; B21D; B21D53/00; B21D15/00; B21D15/04
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) | 1930-11-28 | 1931-05-30 | 1931-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-11-28 | 1935-05-30 | 1935-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-11-28 | 1939-05-30 | 1939-11-29 | $7700.00 | Window Closed / Lapsed |