US2662777A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Two wheel hand cart
Assignee: Individual
•
Filing: 1950-11-16
•
Granted: 1953-12-15
•
Expires: 1970-11-16
Abstract
No abstract record available.
Inventors
- 👤 Andrew J Wilchek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:34
CPC Classifications
B; B62; B62B; B62B5/00; B62B5/0083; B62B2202/00; B62B2202/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190514653A
Cited
US1337861A
Cited
US1361728A
Cited
US1483607A
Cited
FR662031A
Cited
US2183066A
Cited
US2416492A
Cited
US2546604A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-14 | 1957-06-15 | 1957-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-14 | 1961-06-15 | 1961-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-14 | 1965-06-15 | 1965-12-15 | $7700.00 | Window Closed / Lapsed |