Patent US2713953A successfully refreshed from Google Patents.
US2884646A
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Bladder structure
Assignee: ALCOSA ETS
•
Filing: 1956-12-12
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Granted: 1959-05-05
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Expires: 1976-12-12
Abstract
No abstract record available.
Inventors
- 👤 Alber Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:40
CPC Classifications
A; A61; A61F; A61F5/00; A61F5/01; A61F5/0102; A61F5/012; A43; A43B; A43B5/00; A43B5/04; A43B5/0405; A43B5/0407; Y; Y10; Y10S; Y10S128/00; Y10S128/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US746338A
Cited
US2177116A
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US2488382A
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US2638601A
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US2638690A
Cited
US2645865A
Cited
US2774152A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-04 | 1962-11-03 | 1963-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-04 | 1966-11-03 | 1967-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-04 | 1970-11-03 | 1971-05-05 | $7700.00 | Window Closed / Lapsed |