US3414323A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foldable prop rest or seat
Assignee: BERNETT W MITCHUM
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Filing: 1967-03-28
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Granted: 1968-12-03
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Expires: 1987-03-28
Abstract
No abstract record available.
Inventors
- 👤 Bernett W Mitchum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:02
CPC Classifications
A; A47; A47C; A47C9/00; A47C9/007; A47C4/00; A47C4/04; A47C4/18; A47C4/20; A47C9/02; A47C9/025
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) | 1971-12-03 | 1972-06-03 | 1972-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-03 | 1976-06-03 | 1976-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-03 | 1980-06-03 | 1980-12-03 | $7700.00 | Window Closed / Lapsed |