US2998956A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Toggle shut-off assembly for fluid lines
Assignee: Individual
•
Filing: 1958-08-27
•
Granted: 1961-09-05
•
Expires: 1978-08-27
Abstract
No abstract record available.
Inventors
- 👤 Nicholas L Etten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:02
CPC Classifications
F; F16; F16K; F16K7/00; F16K7/02; F16K7/04; F16K7/06; F16K7/063; Y; Y10; Y10T; Y10T24/00; Y10T24/39; Y10T24/3936; Y10T24/44; Y10T24/44291; Y10T24/44496; Y10T24/44513
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US492580A
Cited
DE497762C
Cited
US1217433A
Cited
US1883960A
Cited
DE626257C
Cited
CH202475A
Cited
US2356865A
Cited
US2331291A
Cited
FR1017265A
Cited
GB791490A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-04 | 1965-03-06 | 1965-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-04 | 1969-03-06 | 1969-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-04 | 1973-03-06 | 1973-09-05 | $7700.00 | Window Closed / Lapsed |