US3029636A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Static pressure compensator
Assignee: North American Aviation Corp
•
Filing: 1955-05-31
•
Granted: 1962-04-17
•
Expires: 1975-05-31
Abstract
No abstract record available.
Inventors
- 👤 Jr William D Mullins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:37
CPC Classifications
B; B64; B64D; B64D45/00; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/85978; Y10T137/85986; Y10T137/86002
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1306000A
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US1190044A
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GB356945A
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US1910202A
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US2047285A
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DE641047C
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US2551470A
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US2439239A
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US2703013A
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US2669873A
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US2814198A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-16 | 1965-10-16 | 1966-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-16 | 1969-10-16 | 1970-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-16 | 1973-10-16 | 1974-04-17 | $7700.00 | Window Closed / Lapsed |