US2927596A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable irrigation siphon
Assignee: Individual
•
Filing: 1955-07-28
•
Granted: 1960-03-08
•
Expires: 1975-07-28
Abstract
No abstract record available.
Inventors
- 👤 Harold S Carlson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:04
CPC Classifications
E; E02; E02B; E02B13/00; E02B13/02; Y; Y10; Y10T; Y10T137/00; Y10T137/2713; Y10T137/2842; Y10T137/287; Y10T137/2911; Y10T137/7722; Y10T137/7837; Y10T137/7898; Y10T137/7902
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE59245C
Cited
US103564A
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US330078A
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US442696A
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US1000719A
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FR468601A
Cited
US1187683A
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US1463658A
Cited
US2347199A
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US2553253A
Cited
US2435049A
Cited
GB749642A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-08 | 1963-09-07 | 1964-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-08 | 1967-09-07 | 1968-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-08 | 1971-09-07 | 1972-03-08 | $7700.00 | Window Closed / Lapsed |