US2696797A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manual propelling and guiding means
Assignee: Individual
•
Filing: 1949-06-16
•
Granted: 1954-12-14
•
Expires: 1969-06-16
Abstract
No abstract record available.
Inventors
- 👤 Theron D Whidden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:47
CPC Classifications
B; B63; B63H; B63H16/00; B63H1/00; B63H1/30; B63H1/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1317480A
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US1324397A
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GB189412509A
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FR327045A
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US1003516A
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FR502969A
Cited
FR582798A
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US1704400A
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US2062546A
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US2097931A
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US2292609A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-13 | 1958-06-14 | 1958-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-13 | 1962-06-14 | 1962-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-13 | 1966-06-14 | 1966-12-14 | $7700.00 | Window Closed / Lapsed |