US3203158A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air cleaner air inlet screen
Assignee: Individual
•
Filing: 1963-01-04
•
Granted: 1965-08-31
•
Expires: 1983-01-04
Abstract
No abstract record available.
Inventors
- 👤 Edwin L Zadra
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:34
CPC Classifications
F; F02; F02M; F02M35/00; F02M35/10; F02M35/10006; F02M35/10013; F02M35/10091; F02M35/10144; F02M35/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
IN COMBINATION, AN INTAKE CONDUIT HAVING AN OUTER END, A SCREEN ASSEMBLY EXTENDING ACROSS SAID OUTER END AND SECURED TO THE CONDUIT, SAID OUTER END HAVING AN EXTERNAL BEAD EXTENDING THEREAROUND, SAID SCREEN ASSEMBLY COMPRISING INNER AND OUTER REGISTERED RINGS, A SCREEN EXTENDING ACROSS THE OPENINGS OF THE RING AND HAVING A PERIPHERAL PORTION CLAMPED BETWEEN THE RINGS, SPRING CLIPS NON-ROTATABLY FIXED TO SAID INNER RING AND ENGAGED OVER SAID BEAD, HEADED RIVETS EXTENDING THROUGH AND HOLDING SAID RINGS, SAID PERIPHERAL PORTION AND SAID CLIPS IN FIXED, ASSEMBLED RELATIONSHIP, SAID CLIPS HAVING BASES ENGAGED WITH THE INWARD SIDE OF THE INNER RING, SAID RIVETS HAVING INNER HEADS ENGAGED WITH THE INNER SIDES OF THE BASES,
Claim 2
Dependent Claim
115 words
IN COMBINATION, AN INTAKE CONDUIT HAVING AN OUTER END, A SCREEN ASSEMBLY EXTENDING ACROSS SAID OUTER END AND SECURED TO THE CONDUIT, SAID OUTER END HAVING AN EXTERNAL BEAD EXTENDING THEREAROUND, SAID SCREEN ASSEMBLY COMPRISING INNER AND OUTER REGISTERED RINGS, A SCREEN EXTENDING ACROSS THE OPENINGS OF THE RING AND HAVING A PERIPHERAL PORTION CLAMPED BETWEEN THE RINGS, SPRING CLIPS NON-ROTATABLY FIXED TO SAID INNER RING AND ENGAGED OVER SAID BEAD, HEADED RIVETS EXTENDING THROUGH AND HOLDING SAID RINGS, SAID PERIPHERAL PORTION AND SAID CLIPS IN FIXED, ASSEMBLED RELATIONSHIP, SAID CLIPS HAVING BASES ENGAGED WITH THE INWARD SIDE OF THE INNER RING, SAID RIVETS HAVING INNER HEADS ENGAGED WITH THE INNER SIDES OF THE BASES,
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-30 | 1969-03-01 | 1969-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-30 | 1973-03-01 | 1973-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-30 | 1977-03-01 | 1977-08-31 | $7700.00 | Window Closed / Lapsed |