US3402735A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flow regulating apparatus
Assignee: W A Kates Co
•
Filing: 1965-09-23
•
Granted: 1968-09-24
•
Expires: 1985-09-23
Abstract
No abstract record available.
Inventors
- 👤 Willard A Kates
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:28
CPC Classifications
G; G05; G05D; G05D7/00; G05D7/01; G05D7/0126; G05D7/0133; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7784; Y10T137/7787; Y10T137/7788
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB191016499A
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US2813401A
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US2917074A
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US2896662A
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US2888949A
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US3005463A
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US2984261A
Cited
US3027913A
Cited
US3146719A
Cited
US3074428A
Cited
US3159350A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-24 | 1972-03-25 | 1972-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-24 | 1976-03-25 | 1976-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-24 | 1980-03-25 | 1980-09-24 | $7700.00 | Window Closed / Lapsed |