Patent US2974876A successfully refreshed from Google Patents.
US2974876A
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US
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Portable irrigation apparatus
Assignee: International Motors LLC
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Filing: 1958-04-22
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Granted: 1961-03-14
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Expires: 1978-04-22
Abstract
No abstract record available.
Inventors
- 👤 Russell R Poynor
- 👤 Jr Ray I Throckmorton
- 👤 Shute George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:46
CPC Classifications
B; B29; B29C; B29C53/00; B29C53/36; B29C53/38; B29C53/48; B29C53/50; A; A01; A01G; A01G25/00; A01G25/09; A01G25/097; B29C65/00; B29C65/56; B29C65/58; Y; Y10; Y10S; Y10S239/00; Y10S239/09; Y10S239/12; Y10T; Y10T137/00; Y10T137/6851; Y10T137/6855; Y10T137/6899
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2371042A
Cited
US2540556A
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US2585054A
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US2570573A
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US2747932A
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US2756172A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-03-13 | 1964-09-12 | 1965-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-13 | 1968-09-12 | 1969-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-13 | 1972-09-12 | 1973-03-14 | $7700.00 | Window Closed / Lapsed |