US1878453A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rubber cutting machine
Assignee: BF Perkins and Son Inc
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Filing: 1930-09-18
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Granted: 1932-09-20
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Expires: 1950-09-18
Abstract
No abstract record available.
Inventors
- 👤 Lade Archibald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:03
CPC Classifications
B; B26; B26D; B26D3/00; B26D3/003; Y; Y10; Y10T; Y10T83/00; Y10T83/202; Y10T83/2092; Y10T83/2096; Y10T83/21; Y10T83/2113; Y10T83/2116; Y10T83/465; Y10T83/4766; Y10T83/4795; Y10T83/4847; Y10T83/647; Y10T83/6476; Y10T83/6489; Y10T83/6491; Y10T83/929; Y10T83/9372; Y10T83/9377
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) | 1935-09-20 | 1936-03-21 | 1936-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-09-20 | 1940-03-21 | 1940-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-09-20 | 1944-03-21 | 1944-09-20 | $7700.00 | Window Closed / Lapsed |