Patent US2869661A successfully refreshed from Google Patents.
US2869661A
Expired / Lapsed
US
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Self-propelled tandem wheeled carrier
Assignee: Individual
•
Filing: 1956-01-31
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Granted: 1959-01-20
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Expires: 1976-01-31
Abstract
No abstract record available.
Inventors
- 👤 Carmel G Fernandez
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:00
CPC Classifications
B; B62; B62B; B62B5/00; B62B5/0026; B62B3/00; B62B3/009
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1416539A
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US1724774A
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US2046424A
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US2085312A
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US2212589A
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US2567423A
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US2656894A
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US2761690A
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US2715030A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-19 | 1962-07-21 | 1963-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-19 | 1966-07-21 | 1967-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-19 | 1970-07-21 | 1971-01-20 | $7700.00 | Window Closed / Lapsed |