US2073174A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing steel tape
Assignee: Ainsworth Manufacturing Corp
•
Filing: 1934-11-26
•
Granted: 1937-03-09
•
Expires: 1954-11-26
Abstract
No abstract record available.
Inventors
- 👤 Albert T Potter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:34
CPC Classifications
B; B21; B21D; B21D5/00; B21D5/06; B21D5/08; Y; Y10; Y10S; Y10S72/00; Y10S72/702
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) | 1940-03-08 | 1940-09-07 | 1941-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-03-08 | 1944-09-07 | 1945-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-03-08 | 1948-09-07 | 1949-03-09 | $7700.00 | Window Closed / Lapsed |