US2918800A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Irrigating machine
Assignee: WILLIAM R BARTLETT
•
Filing: 1956-09-14
•
Granted: 1959-12-29
•
Expires: 1976-09-14
Abstract
No abstract record available.
Inventors
- 👤 William H Ford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:32
CPC Classifications
E; E02; E02B; E02B13/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US487881A
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US628127A
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US766454A
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US898847A
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US1080944A
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US1068796A
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US1211085A
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US1716448A
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US2468453A
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US2718433A
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US2756098A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-28 | 1963-06-29 | 1963-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-28 | 1967-06-29 | 1967-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-28 | 1971-06-29 | 1971-12-29 | $7700.00 | Window Closed / Lapsed |