US3377002A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Constant pressure fluid systems
Assignee: Hutchinson Aerospace and Industry Inc
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Filing: 1966-09-15
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Granted: 1968-04-09
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Expires: 1986-09-15
Abstract
No abstract record available.
Inventors
- 👤 Milton N Weber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 00:21
CPC Classifications
F; F15; F15B; F15B1/00; F15B1/02; F15B1/04; B; B64; B64D; B64D37/00; B64D37/02; B64D37/06; B64D37/10; B65; B65D; B65D88/00; B65D88/54; B65D88/58; B65D88/60; B65D88/62; F15B2201/00; F15B2201/20; F15B2201/205; F15B2201/30; F15B2201/315; F15B2201/3151; F15B2201/3156; F15B2201/3158; F15B2201/40; F15B2201/41; F15B2201/413; F15B2201/415
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-09 | 1971-10-09 | 1972-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-09 | 1975-10-09 | 1976-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-09 | 1979-10-09 | 1980-04-09 | $7700.00 | Window Closed / Lapsed |