US3323536A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Siphon tube trash guard
Assignee: JAMES O CONNOR S
•
Filing: 1964-06-11
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Granted: 1967-06-06
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Expires: 1984-06-11
Abstract
No abstract record available.
Inventors
- 👤 Jack E O'connor
- 👤 Thomas W O'connor
- 👤 O'connor S James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:56
CPC Classifications
F; F04; F04B; F04B53/00; F04B53/10; Y; Y10; Y10T; Y10T137/00; Y10T137/2713; Y10T137/2829
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
IN COMBINATION WITH A SIPHON TUBE A TRASH GUARD COMPRISING, A RESILIENT SPHERE-LIKE SHELL HAVING A DIAMETER SUBSTANTIALLY GREATER THAN THE TUBE DIAMETER, BUT LESS THAN APPROXIMATELY TWO TIMES THE TUBE DIAMETER, AND HAVING A PLURALITY OF OPENINGS THEREIN ARRANGED ABOUT THE SHELL IN A REGULAR PATTERN, WITH SAID OPENINGS BEING APPROXIMATELY THE TUBE DIAMETER, AND WITH AT LEAST ONE OF SAID OPENINGS FITTING OVER AND BEING AFFIXED TO THE END OF THE SIPHON TUBE.
Claim 2
Dependent Claim
75 words
IN COMBINATION WITH A SIPHON TUBE A TRASH GUARD COMPRISING, A RESILIENT SPHERE-LIKE SHELL HAVING A DIAMETER SUBSTANTIALLY GREATER THAN THE TUBE DIAMETER, BUT LESS THAN APPROXIMATELY TWO TIMES THE TUBE DIAMETER, AND HAVING A PLURALITY OF OPENINGS THEREIN ARRANGED ABOUT THE SHELL IN A REGULAR PATTERN, WITH SAID OPENINGS BEING APPROXIMATELY THE TUBE DIAMETER, AND WITH AT LEAST ONE OF SAID OPENINGS FITTING OVER AND BEING AFFIXED TO THE END OF THE SIPHON TUBE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-05 | 1970-12-05 | 1971-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-05 | 1974-12-05 | 1975-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-05 | 1978-12-05 | 1979-06-06 | $7700.00 | Window Closed / Lapsed |