Patent US4972396A successfully refreshed from Google Patents.
US2617624A
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US
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Balloon inflating valve
Assignee: Individual
•
Filing: 1947-02-05
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Granted: 1952-11-11
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Expires: 1967-02-05
Abstract
No abstract record available.
Inventors
- 👤 Annis Andrew Jackson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:37
CPC Classifications
F; F16; F16K; F16K15/00; F16K15/20; F16K15/202; Y; Y10; Y10T; Y10T137/00; Y10T137/3584; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7908; Y10T137/7909; Y10T137/791
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1447848A
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US1551986A
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US2219604A
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US2314767A
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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) | 1955-11-11 | 1956-05-12 | 1956-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-11 | 1960-05-12 | 1960-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-11 | 1964-05-12 | 1964-11-11 | $7700.00 | Window Closed / Lapsed |