US3381707A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic control valve particularly for gas bottles
Assignee: TEKNOVA NIVAA AS
•
Filing: 1966-10-31
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Granted: 1968-05-07
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Expires: 1986-10-31
Abstract
No abstract record available.
Inventors
- 👤 Andersen Edith Bruhn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:26
CPC Classifications
F; F16; F16K; F16K1/00; F16K1/30; F16K1/307; F16K41/00; F16K41/10; F16K41/12; F17; F17B; F17B1/00; F17B1/02; F17B1/12; G; G05; G05D; G05D16/00; G05D16/04; G05D16/06; G05D16/063; G05D16/0644; G05D16/0663; G05D16/0672; G05D23/00; G05D23/01; G05D23/12; G05D23/121; G05D23/122; G05D23/125; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7723; Y10T137/7726; Y10T137/7727; Y10T137/7758; Y10T137/7762; Y10T137/7764; Y10T137/7768
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1229726A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-07 | 1971-11-06 | 1972-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-07 | 1975-11-06 | 1976-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-07 | 1979-11-06 | 1980-05-07 | $7700.00 | Window Closed / Lapsed |