US3126499A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rabus
Assignee: —
•
Filing: —
•
Granted: 1964-03-24
•
Expires: 1981-03-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:50
CPC Classifications
H; H01; H01T; H01T4/00; H01T4/16; H01T4/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
IN A SPARK ARRESTER, THE COMBINATION WHICH COMPRISES: A DISK FORMED WITH A CENTRAL BORE AND MADE WHOLLY OF HOMOGENEOUS RESISTANCE MATERIAL; SPACED APART METALLIC COATINGS ON OPPOSITE FACES OF SAID DISK AND DIVIDING THE SAME INTO TWO PARTIAL RESISTANCES SEAPRATED BY TWO WEBS OF SAID HOMOGENEOUS RESISTANCE MATERIAL; MEANS CONNECTING SAID PARTIAL RESISTANCES IN SERIES-CIRCIUT WITH EACH OTHER; AND SPARK GAP MEANS ARRANGED WITHIN SAID CENTRAL BORE AND CONNECTED TO SAID SERIES-CIRCUIT.
Claim 2
Dependent Claim
73 words
IN A SPARK ARRESTER, THE COMBINATION WHICH COMPRISES: A DISK FORMED WITH A CENTRAL BORE AND MADE WHOLLY OF HOMOGENEOUS RESISTANCE MATERIAL; SPACED APART METALLIC COATINGS ON OPPOSITE FACES OF SAID DISK AND DIVIDING THE SAME INTO TWO PARTIAL RESISTANCES SEAPRATED BY TWO WEBS OF SAID HOMOGENEOUS RESISTANCE MATERIAL; MEANS CONNECTING SAID PARTIAL RESISTANCES IN SERIES-CIRCIUT WITH EACH OTHER; AND SPARK GAP MEANS ARRANGED WITHIN SAID CENTRAL BORE AND CONNECTED TO SAID SERIES-CIRCUIT.
References Cited (Backward Citations)
US2881357A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-24 | 1967-09-23 | 1968-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-24 | 1971-09-23 | 1972-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-24 | 1975-09-23 | 1976-03-24 | $7700.00 | Window Closed / Lapsed |