Patent US2989142A successfully refreshed from Google Patents.
US2989142A
Expired / Lapsed
US
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Work horse kit
Assignee: Individual
•
Filing: 1958-05-19
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Granted: 1961-06-20
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Expires: 1978-05-19
Abstract
No abstract record available.
Inventors
- 👤 John B Gill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:36
CPC Classifications
B; B25; B25H; B25H1/00; B25H1/06; Y; Y10; Y10S; Y10S269/00; Y10S269/902
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US488349A
Cited
US1156965A
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US1225981A
Cited
US1458738A
Cited
US1408675A
Cited
US1622506A
Cited
US1765685A
Cited
US2466323A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-19 | 1964-12-19 | 1965-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-19 | 1968-12-19 | 1969-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-19 | 1972-12-19 | 1973-06-20 | $7700.00 | Window Closed / Lapsed |