Patent US2896107A successfully refreshed from Google Patents.
Patent US2983042A successfully refreshed from Google Patents.
US2983042A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tube splitting apparatus
Assignee: Individual
•
Filing: 1959-12-03
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Granted: 1961-05-09
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Expires: 1979-12-03
Abstract
No abstract record available.
Inventors
- 👤 Charles E Frantz
- 👤 William E Cawley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:04
CPC Classifications
B; B23; B23D; B23D21/00; B23D21/02; G; G21; G21C; G21C19/00; G21C19/34; G21C19/36; Y; Y02; Y02E; Y02E30/00; Y02E30/30; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4935; Y10T29/49352
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) | 1964-05-08 | 1964-11-07 | 1965-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-08 | 1968-11-07 | 1969-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-08 | 1972-11-07 | 1973-05-09 | $7700.00 | Window Closed / Lapsed |