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US1823501A
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Rubber-cutting machine
Assignee: BLACK ROCK MANUFACTURING Co
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Filing: 1928-10-31
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Granted: 1931-09-15
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Expires: 1948-10-31
Abstract
No abstract record available.
Inventors
- 👤 Jr Lester H Messinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:23
CPC Classifications
B; B26; B26D; B26D3/00; B26D3/003; Y; Y10; Y10T; Y10T83/00; Y10T83/202; Y10T83/2066; Y10T83/2092; Y10T83/2198; Y10T83/444; Y10T83/4539; Y10T83/4541; Y10T83/4556; Y10T83/461; Y10T83/4612; Y10T83/748; Y10T83/7593; Y10T83/7607; Y10T83/7613; Y10T83/764; Y10T83/869; Y10T83/8776; Y10T83/8782; Y10T83/8784; Y10T83/929; Y10T83/9309
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) | 1934-09-14 | 1935-03-16 | 1935-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-09-14 | 1939-03-16 | 1939-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-09-14 | 1943-03-16 | 1943-09-15 | $7700.00 | Window Closed / Lapsed |