US3437333A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring seat
Assignee: Boeing North American Inc
•
Filing: 1966-10-24
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Granted: 1969-04-08
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Expires: 1986-10-24
Abstract
No abstract record available.
Inventors
- 👤 Kenneth M Koch
- 👤 William E Rice
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:58
CPC Classifications
B; B60; B60G; B60G11/00; B60G11/02; B60G11/10; B60G11/113; B60G2200/00; B60G2200/30; B60G2200/31; B60G2204/00; B60G2204/40; B60G2204/43; B60G2204/4306; B60G2206/00; B60G2206/01; B60G2206/80; B60G2206/82; B60G2206/8201
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) | 1972-04-07 | 1972-10-07 | 1973-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-07 | 1976-10-07 | 1977-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-07 | 1980-10-07 | 1981-04-08 | $7700.00 | Window Closed / Lapsed |