US2729052A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Twisting spindle balloon control
Assignee: Individual
•
Filing: 1953-02-16
•
Granted: 1956-01-03
•
Expires: 1973-02-16
Abstract
No abstract record available.
Inventors
- 👤 Alfred W Vibber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:15
CPC Classifications
D; D01; D01H; D01H13/00; D01H13/10; D01H13/108
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE23509E
Cited
US2559735A
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US2654210A
Cited
US2550136A
Cited
US2586037A
Cited
US2586038A
Cited
US2614381A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-02 | 1959-07-04 | 1960-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-02 | 1963-07-04 | 1964-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-02 | 1967-07-04 | 1968-01-03 | $7700.00 | Window Closed / Lapsed |