US3063729A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stroller
Assignee: Hamilton Cosco Inc
•
Filing: 1960-01-13
•
Granted: 1962-11-13
•
Expires: 1980-01-13
Abstract
No abstract record available.
Inventors
- 👤 Earl F Hamilton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:47
CPC Classifications
B; B62; B62B; B62B7/00; B62B7/04; B62B7/06; B62B7/10; B62B9/00; B62B9/10; B62B9/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US839230A
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US2212053A
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US2296193A
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GB641856A
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US2758847A
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US2770488A
Cited
US2798730A
Cited
US2823043A
Cited
GB770115A
Cited
US2783053A
Cited
US2886337A
Cited
US2880011A
Cited
FR1188108A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-12 | 1966-05-14 | 1966-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-12 | 1970-05-14 | 1970-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-12 | 1974-05-14 | 1974-11-13 | $7700.00 | Window Closed / Lapsed |