US2909187A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for feeding material to water systems
Assignee: Individual
•
Filing: 1955-05-18
•
Granted: 1959-10-20
•
Expires: 1975-05-18
Abstract
No abstract record available.
Inventors
- 👤 Sr Charles J Gillooly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:51
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/68; C02F1/685; C02F1/686; Y; Y10; Y10T; Y10T137/00; Y10T137/2931; Y10T137/3115; Y10T137/3127; Y10T137/6851; Y10T137/6966; Y10T137/6991; Y10T137/6995; Y10T137/701; Y10T137/7287; Y10T137/7358; Y10T137/7439
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US474387A
Cited
US1452265A
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US2059411A
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US2362607A
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US2583060A
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US2626446A
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US2687740A
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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) | 1962-10-19 | 1963-04-20 | 1963-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-19 | 1967-04-20 | 1967-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-19 | 1971-04-20 | 1971-10-20 | $7700.00 | Window Closed / Lapsed |