US2746769A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Knockdown bicycle frame
Assignee: Individual
•
Filing: 1953-07-20
•
Granted: 1956-05-22
•
Expires: 1973-07-20
Abstract
No abstract record available.
Inventors
- 👤 Harold W Hoogendoorn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:22
CPC Classifications
B; B62; B62K; B62K15/00; B62K2015/001; Y; Y10; Y10T; Y10T403/00; Y10T403/34; Y10T403/341; Y10T403/345; Y10T403/38; Y10T403/55; Y10T403/70; Y10T403/7075; Y10T403/7077; Y10T403/7079; Y10T403/7086
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US297153A
Cited
US569354A
Cited
US1407237A
Cited
US1427402A
Cited
US1447676A
Cited
US1743332A
Cited
US2634994A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-22 | 1959-11-21 | 1960-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-22 | 1963-11-21 | 1964-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-22 | 1967-11-21 | 1968-05-22 | $7700.00 | Window Closed / Lapsed |