Patent US2979272A successfully refreshed from Google Patents.
US2979272A
Expired / Lapsed
US
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Nylon sprinkler head
Assignee: Individual
•
Filing: 1957-05-15
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Granted: 1961-04-11
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Expires: 1977-05-15
Abstract
No abstract record available.
Inventors
- 👤 Thorrez Camiel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:29
CPC Classifications
B; B05; B05B; B05B3/00; B05B3/02; B05B3/04; B05B3/06; B05B1/00; B05B15/00; B05B15/60; B05B15/62; B05B15/622
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US457099A
Cited
US1202787A
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US1949904A
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US2323701A
Cited
US2652283A
Cited
US2706134A
Cited
US2805040A
Cited
US2769667A
Cited
US2793910A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-10 | 1964-10-10 | 1965-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-10 | 1968-10-10 | 1969-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-10 | 1972-10-10 | 1973-04-11 | $7700.00 | Window Closed / Lapsed |