US3529906A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Static seal structure
Assignee: Westinghouse Electric Corp
•
Filing: 1968-10-30
•
Granted: 1970-09-22
•
Expires: 1988-10-30
Abstract
No abstract record available.
Inventors
- 👤 Leroy D Mclaurin
- 👤 James H Borden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:30
CPC Classifications
F; F01; F01D; F01D11/00; F01D11/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE187838C
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US2623357A
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US2625367A
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US2651496A
Cited
US2919891A
Cited
US3129922A
Cited
GB1020900A
Cited
US3224194A
Cited
US3383033A
Cited
US3391904A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-21 | 1974-03-23 | 1974-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-21 | 1978-03-23 | 1978-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-21 | 1982-03-23 | 1982-09-22 | $7700.00 | Window Closed / Lapsed |