US2777520A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for cutting off lengths of tubing
Assignee: Houdaille Industries Inc
•
Filing: 1956-04-30
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Granted: 1957-01-15
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Expires: 1976-04-30
Abstract
No abstract record available.
Inventors
- 👤 Alfred E Grzenkowski
- 👤 Raymond W Rademaker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:18
CPC Classifications
B; B23; B23D; B23D21/00; B23D21/04; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T82/00; Y10T82/16; Y10T82/16032; Y10T82/16426; Y10T82/16442; Y10T83/00; Y10T83/081; Y10T83/091; Y10T83/096; Y10T83/202; Y10T83/2092; Y10T83/2183; Y10T83/219; Y10T83/525; Y10T83/541
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1440492A
Cited
US2639491A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-15 | 1960-07-16 | 1961-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-15 | 1964-07-16 | 1965-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-15 | 1968-07-16 | 1969-01-15 | $7700.00 | Window Closed / Lapsed |