US1037675A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic flying shears.
Assignee: National Tube Co
•
Filing: 1911-04-08
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Granted: 1912-09-03
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Expires: 1931-04-08
Abstract
No abstract record available.
Inventors
- 👤 James Simpson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:47
CPC Classifications
B; B23; B23D; B23D25/00; B23D25/02; B23D25/04; Y; Y10; Y10T; Y10T83/00; Y10T83/465; Y10T83/4653; Y10T83/4656; Y10T83/4659; Y10T83/4676; Y10T83/4757; Y10T83/4763; Y10T83/525; Y10T83/535
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) | 1915-09-03 | 1916-03-04 | 1916-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1919-09-03 | 1920-03-04 | 1920-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1923-09-03 | 1924-03-04 | 1924-09-03 | $7700.00 | Window Closed / Lapsed |