US3280419A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drain clearing device
Assignee: —
•
Filing: —
•
Granted: 1966-10-25
•
Expires: 1983-10-25
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:34
CPC Classifications
E; E03; E03C; E03C1/00; E03C1/12; E03C1/30; E03C1/304
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
93 words
A PRESSURIZED GAS IMPLEMENT COMPRISING A HANDLE, IN INTEGRAL CHAMBER WITHIN SAID HANDLE FOR RECEIVING AND HOLDING A PRESSURIZED GAS CONTAINER, A SHANK PROJECTING SLIDABLY THROUGH ONE END OF SAID HANDLE INTO SAID CHAMBER, SAID SHANK EXTENDING LONGITUDINALLY BEYOND SAID ONE END OF THE HANDLE AND INCLUDING A GAS DISCHARGE PASSAGE THERETHROUGH COMMUNICATING WITH THE CHAMBER, SAID SHANK INCLUDING A PIERCING MEANS ON THE INNER END THEREOF AND BEING CAPABLE OF LIMITED LONGITUDINAL MOVEMENT INWARDLY SO AS TO ENGAGE THE PIERCING MEANS WITH THE GAS CONTAINER, A TUBULAR EXTENSION REMOVABLY MOUNTED ON THE
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-24 | 1970-04-25 | 1970-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-24 | 1974-04-25 | 1974-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-24 | 1978-04-25 | 1978-10-25 | $7700.00 | Window Closed / Lapsed |