US3412749A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Capillary flow valves
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1966-04-08
•
Granted: 1968-11-26
•
Expires: 1986-04-08
Abstract
No abstract record available.
Inventors
- 👤 Don R Mcadams
- 👤 Rano J Harris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:19
CPC Classifications
G; G01; G01N; G01N35/00; G01N35/10; G01N35/1095; G01N35/1097; F; F16; F16K; F16K1/00; F16K1/32; F16K1/34; F16K1/36; F16K1/38; Y; Y10; Y10T; Y10T137/00; Y10T137/4238; Y10T137/4245; Y10T137/4259
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US168783A
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US1613323A
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US637468A
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US1766554A
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US3096069A
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US2980392A
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US2956771A
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US3320975A
Cited
GB923116A
Cited
US3139262A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-26 | 1972-05-27 | 1972-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-26 | 1976-05-27 | 1976-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-26 | 1980-05-27 | 1980-11-26 | $7700.00 | Window Closed / Lapsed |