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US2729932A
Expired / Lapsed
US
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Twisting spindle balloon control
Assignee: Individual
•
Filing: 1951-07-24
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Granted: 1956-01-10
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Expires: 1971-07-24
Abstract
No abstract record available.
Inventors
- 👤 Alfred W Vibber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:44
CPC Classifications
D; D01; D01H; D01H1/00; D01H1/006; D01H1/10; D01H1/101
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE23509E
Cited
US2487838A
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US2550136A
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US2635413A
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US2586037A
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US2586123A
Cited
US2586038A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-09 | 1959-07-11 | 1960-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-09 | 1963-07-11 | 1964-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-09 | 1967-07-11 | 1968-01-10 | $7700.00 | Window Closed / Lapsed |