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Patent US2945385A successfully refreshed from Google Patents.
US2945385A
Expired / Lapsed
US
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Sprinkler
Assignee: Individual
•
Filing: 1957-08-26
•
Granted: 1960-07-19
•
Expires: 1977-08-26
Abstract
No abstract record available.
Inventors
- 👤 Barton R Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:11
CPC Classifications
B; B05; B05B; B05B3/00; B05B3/02; B05B3/04; B05B3/0417; B05B3/0432; B05B3/0438; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18184; Y10T74/182; Y10T74/18416; Y10T74/18456; Y10T74/20; Y10T74/20576; Y10T74/20582; Y10T74/20606
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1696385A
Cited
GB275000A
Cited
US2576765A
Cited
US2546241A
Cited
US2717777A
Cited
US2610088A
Cited
US2838956A
Cited
US2808292A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-19 | 1964-01-18 | 1964-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-19 | 1968-01-18 | 1968-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-19 | 1972-01-18 | 1972-07-19 | $7700.00 | Window Closed / Lapsed |