US1784556A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic shears
Assignee: American Rolling Mill Co
•
Filing: 1927-04-06
•
Granted: 1930-12-09
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Expires: 1947-04-06
Abstract
No abstract record available.
Inventors
- 👤 Arthur J Townsend
- 👤 Edward S Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 00:07
CPC Classifications
B; B23; B23D; B23D33/00; B23D33/02; Y; Y10; Y10T; Y10T83/00; Y10T83/202; Y10T83/2027; Y10T83/444; Y10T83/4458; Y10T83/446; Y10T83/461; Y10T83/4612; Y10T83/566; Y10T83/748; Y10T83/7593; Y10T83/764; Y10T83/869; Y10T83/8765
Claims Analysis
Total Claims: 0
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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) | 1933-12-08 | 1934-06-09 | 1934-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-12-08 | 1938-06-09 | 1938-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-12-08 | 1942-06-09 | 1942-12-09 | $7700.00 | Window Closed / Lapsed |