US2815050A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Angular power transmission tube
Assignee: Individual
•
Filing: 1956-08-22
•
Granted: 1957-12-03
•
Expires: 1976-08-22
Abstract
No abstract record available.
Inventors
- 👤 Richard J Haug
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:16
CPC Classifications
B; B23; B23D; B23D47/00; B23D47/12; B23D47/02; Y; Y10; Y10T; Y10T83/00; Y10T83/768; Y10T83/7793; Y10T83/95
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US18151A
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US160406A
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US827548A
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US2519936A
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US2457511A
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US2497639A
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US2635649A
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US2725753A
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US2765666A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-02 | 1961-06-03 | 1961-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-02 | 1965-06-03 | 1965-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-02 | 1969-06-03 | 1969-12-03 | $7700.00 | Window Closed / Lapsed |