US1601681A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for making and forming grommets and the like
Assignee: National Standard Co
•
Filing: 1925-07-09
•
Granted: 1926-09-28
•
Expires: 1945-07-09
Abstract
No abstract record available.
Inventors
- 👤 William G Corson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 05:52
CPC Classifications
B; B21; B21F; B21F3/00; B21F3/02; B21F3/06; B21F11/00; Y; Y10; Y10S; Y10S72/00; Y10S72/701
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) | 1929-09-27 | 1930-03-29 | 1930-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-09-27 | 1934-03-29 | 1934-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-09-27 | 1938-03-29 | 1938-09-28 | $7700.00 | Window Closed / Lapsed |