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US2541952A
Expired / Lapsed
US
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Combination bicycle, tricycle, and exerciser
Assignee: C H TRUOG
•
Filing: 1947-07-22
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Granted: 1951-02-13
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Expires: 1967-07-22
Abstract
No abstract record available.
Inventors
- 👤 Harry S Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:01
CPC Classifications
B; B62; B62H; B62H7/00; B62H1/00; B62H1/10; B62H1/12; B62K; B62K13/00; B62K13/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US359127A
Cited
US359126A
Cited
US611451A
Cited
GB189602432A
Cited
GB189627411A
Cited
US1177290A
Cited
US2391982A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-12 | 1954-08-14 | 1955-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-12 | 1958-08-14 | 1959-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-12 | 1962-08-14 | 1963-02-13 | $7700.00 | Window Closed / Lapsed |