US3211158A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable pipe
Assignee: Individual
•
Filing: 1963-09-27
•
Granted: 1965-10-12
•
Expires: 1983-09-27
Abstract
No abstract record available.
Inventors
- 👤 James Y Shih
- 👤 Shih Tai-Fu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:51
CPC Classifications
A; A24; A24F; A24F1/00; A24F2700/00; A24F2700/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2815030A
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US3057362A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-11 | 1969-04-12 | 1969-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-11 | 1973-04-12 | 1973-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-11 | 1977-04-12 | 1977-10-12 | $7700.00 | Window Closed / Lapsed |