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Patent US3394964A successfully refreshed from Google Patents.
US3394964A
Expired / Lapsed
US
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Revolving transportation seat
Assignee: American Seating Co
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Filing: 1966-11-01
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Granted: 1968-07-30
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Expires: 1986-11-01
Abstract
No abstract record available.
Inventors
- 👤 Douglas N Humphries
- 👤 Oscar J Nelson
- 👤 Hamelink William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:44
CPC Classifications
B; B60; B60N; B60N2/00; B60N2/02; B60N2/04; B60N2/14; B60N2/143; B61; B61D; B61D33/00; B61D33/0057; B61D33/0078; B61D33/0085
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US352268A
Cited
US972020A
Cited
US1876247A
Cited
GB409792A
Cited
US2472349A
Cited
GB803697A
Cited
FR1112317A
Cited
US2781821A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-30 | 1972-01-29 | 1972-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-30 | 1976-01-29 | 1976-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-30 | 1980-01-29 | 1980-07-30 | $7700.00 | Window Closed / Lapsed |