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Patent US2884870A successfully refreshed from Google Patents.
US2884870A
Expired / Lapsed
US
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Trailer placement tractor
Assignee: Individual
•
Filing: 1956-06-20
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Granted: 1959-05-05
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Expires: 1976-06-20
Abstract
No abstract record available.
Inventors
- 👤 Howard Q Day
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:30
CPC Classifications
B; B62; B62D; B62D49/00; B62D49/005; B62D49/007
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US512066A
Cited
US1366292A
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US2043034A
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US2043134A
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US2361290A
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US2327446A
Cited
DE822470C
Cited
US2773614A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-04 | 1962-11-03 | 1963-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-04 | 1966-11-03 | 1967-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-04 | 1970-11-03 | 1971-05-05 | $7700.00 | Window Closed / Lapsed |