US3109877A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for modifying the composition of strip metal
Assignee: Individual
•
Filing: 1960-07-01
•
Granted: 1963-11-05
•
Expires: 1980-07-01
Abstract
No abstract record available.
Inventors
- 👤 Wilson Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:20
CPC Classifications
C; C23; C23C; C23C8/00; C23C8/06; C23C8/08; C23C8/20; C23C8/22; C21; C21D; C21D1/00; C21D1/74; C21D1/767; C21D9/00; C21D9/52; C21D9/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
APPARATUS FOR MODIFYING THE CHEMICAL COMPOSITION OF OPENED COILS OF STRIP METAL HAVING THE LAPS THEREOF SPACED APART INCLUDING, A TREATMENT CHAMBER HAVING SPACED GAS INLET AND OUTLET OPENINGS, AN INLET CONDUIT EXTENDING FROM SAID INLET OPENING AND AN OUTLET CONDUIT EXTENDING FROM SAID OUTLET OPENING, MEANS FOR SUPPORTING AN OPENED COIL IN SAID TREATEMENT CHAMBER AND DIRECTING GASEOUS ATMOSPHERE VERTICALLY THROUGHT THE SPACES BETWEEN THE LAPS THEREOF, GAS ATMOSPHERE HEATING MEANS, GAS CONDUCTING CONDUITS EXTENDING FROM SAID OUTLET CONDUIT TO SAID HEATING MEANS AND FROM SAID HEATING MEANS TO SAID INLET CONDUIT, BLOWER MEANS DISPOSED TO CIRCULATE GASEOUS ATMOSPHERE THROUGH SAID CHAMBER AND THE LAPS OF AN OPENED COIL CUPPORTED THEREIN AND THROUGH SAID HEATING MEANS, MEANS FOR CLOSING ONE OF SAID GAS CONDUCTING CONDUITS WHEREBY CIRCULATION THROUGH SAID GAS ATMOS-
Claim 2
Dependent Claim
132 words
APPARATUS FOR MODIFYING THE CHEMICAL COMPOSITION OF OPENED COILS OF STRIP METAL HAVING THE LAPS THEREOF SPACED APART INCLUDING, A TREATMENT CHAMBER HAVING SPACED GAS INLET AND OUTLET OPENINGS, AN INLET CONDUIT EXTENDING FROM SAID INLET OPENING AND AN OUTLET CONDUIT EXTENDING FROM SAID OUTLET OPENING, MEANS FOR SUPPORTING AN OPENED COIL IN SAID TREATEMENT CHAMBER AND DIRECTING GASEOUS ATMOSPHERE VERTICALLY THROUGHT THE SPACES BETWEEN THE LAPS THEREOF, GAS ATMOSPHERE HEATING MEANS, GAS CONDUCTING CONDUITS EXTENDING FROM SAID OUTLET CONDUIT TO SAID HEATING MEANS AND FROM SAID HEATING MEANS TO SAID INLET CONDUIT, BLOWER MEANS DISPOSED TO CIRCULATE GASEOUS ATMOSPHERE THROUGH SAID CHAMBER AND THE LAPS OF AN OPENED COIL CUPPORTED THEREIN AND THROUGH SAID HEATING MEANS, MEANS FOR CLOSING ONE OF SAID GAS CONDUCTING CONDUITS WHEREBY CIRCULATION THROUGH SAID GAS ATMOS-
References Cited (Backward Citations)
US1569355A
Cited
US1727192A
Cited
US1857215A
Cited
US2158065A
Cited
US2161162A
Cited
US2275133A
Cited
US2998303A
Cited
US2975083A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-11-04 | 1967-05-06 | 1967-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-04 | 1971-05-06 | 1971-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-04 | 1975-05-06 | 1975-11-05 | $7700.00 | Window Closed / Lapsed |