US3042071A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid feeding apparatus
Assignee: ALBERT C MADER
•
Filing: 1957-07-01
•
Granted: 1962-07-03
•
Expires: 1977-07-01
Abstract
No abstract record available.
Inventors
- 👤 John E Van Tuyl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:51
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/68; C02F1/685; C02F1/686; Y; Y10; Y10T; Y10T137/00; Y10T137/598; Y10T137/612; Y10T137/613; Y10T137/6137; Y10T137/7504; Y10T137/7613; Y10T137/8593; Y10T137/87571; Y10T137/87587; Y10T137/87619; Y10T137/87627; Y10T137/87643; Y10T137/87917; Y10T137/88022; Y10T137/8803; Y10T137/88054
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US128663A
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US808689A
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US916163A
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US1036871A
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US1791350A
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US2107631A
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US2337276A
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US2519569A
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US2592884A
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US2637470A
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US2771093A
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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) | 1965-07-02 | 1966-01-01 | 1966-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-02 | 1970-01-01 | 1970-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-02 | 1974-01-01 | 1974-07-03 | $7700.00 | Window Closed / Lapsed |