US2797112A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plural layer bellows
Assignee: Solar Aircraft Co
•
Filing: 1953-07-22
•
Granted: 1957-06-25
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Expires: 1973-07-22
Abstract
No abstract record available.
Inventors
- 👤 Eugene H Ziebold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:14
CPC Classifications
F; F16; F16J; F16J3/00; F16J3/04; F16J3/047; F16L; F16L51/00; F16L51/02; F16L51/021; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49877
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US494036A
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US1151777A
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US1223266A
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US1944128A
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US1958260A
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US2207146A
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US2467867A
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US2470167A
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US2623643A
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US2481472A
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US2568923A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-06-24 | 1960-12-24 | 1961-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-24 | 1964-12-24 | 1965-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-24 | 1968-12-24 | 1969-06-25 | $7700.00 | Window Closed / Lapsed |