US3027910A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flow control apparatus
Assignee: Individual
•
Filing: 1956-09-10
•
Granted: 1962-04-03
•
Expires: 1976-09-10
Abstract
No abstract record available.
Inventors
- 👤 Burton L Oliver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:03
CPC Classifications
G; G05; G05D; G05D7/00; G05D7/01; G05D7/0166; B; B01; B01D; B01D24/00; B01D24/02; B01D24/20; B01D24/22; B01D24/46; B01D24/4631; B01D24/4642; B01D24/48; B01D24/4869; Y; Y10; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7313; Y10T137/7316; Y10T137/7319
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB191000433A
Cited
US438060A
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US470782A
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US646931A
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US719357A
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US717018A
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US930135A
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US1962472A
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US2540361A
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US2684230A
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US2845799A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-02 | 1965-10-02 | 1966-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-02 | 1969-10-02 | 1970-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-02 | 1973-10-02 | 1974-04-03 | $7700.00 | Window Closed / Lapsed |