US2696253A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spacing control for multiple band-type cutting elements
Assignee: Individual
•
Filing: 1951-01-12
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Granted: 1954-12-07
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Expires: 1971-01-12
Abstract
No abstract record available.
Inventors
- 👤 William W Hartman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:01
CPC Classifications
B; B26; B26D; B26D3/00; B26D3/003; B23; B23D; B23D53/00; B23D53/005; B23D53/0052; B23D53/0054; B23Q; B23Q16/00; B23Q16/02; B23Q16/027; B26D1/00; B26D1/01; B26D1/46; B26D1/50; B26D1/52; B26D3/006; Y; Y10; Y10T; Y10T83/00; Y10T83/707; Y10T83/7158; Y10T83/7189; Y10T83/869; Y10T83/8696; Y10T83/8878; Y10T83/8889
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-06 | 1958-06-07 | 1958-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-06 | 1962-06-07 | 1962-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-06 | 1966-06-07 | 1966-12-07 | $7700.00 | Window Closed / Lapsed |