US2887122A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sprayers and valves therefor
Assignee: Dorman Sprayer Co Ltd
•
Filing: 1955-03-14
•
Granted: 1959-05-19
•
Expires: 1975-03-14
Abstract
No abstract record available.
Inventors
- 👤 Chapman Percy Dennis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:20
CPC Classifications
F; F16; F16K; F16K21/00; F16K21/04; B; B05; B05B; B05B1/00; B05B1/30; B05B1/3013; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7782
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2281138A
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US2331084A
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US2662349A
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US2642083A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-18 | 1962-11-17 | 1963-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-18 | 1966-11-17 | 1967-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-18 | 1970-11-17 | 1971-05-19 | $7700.00 | Window Closed / Lapsed |