Patent US3333771A successfully refreshed from Google Patents.
US3333771A
Expired / Lapsed
US
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Heating means
Assignee: Scandura Inc
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Filing: 1964-09-14
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Granted: 1967-08-01
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Expires: 1984-09-14
Abstract
No abstract record available.
Inventors
- 👤 Graham Geoffrey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:59
CPC Classifications
F; F28; F28D; F28D1/00; F28D1/02; F28D1/0233; F28D1/024; B; B29; B29C; B29C73/00; B29C73/24; B29C73/30; F16; F16G; F16G3/00; F16G3/003; F22; F22B; F22B3/00; F22B3/06; F24; F24H; F24H1/00; F24H1/0018; B29L; B29L2029/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A PORTABLE, BELT VULCANISING UNIT WHICH INCLUDES A CLOSED HEATING LIQUID CIRCUIT, CIRCULATING PUMP MEANS IN SAID CIRCUIT ADAPTED TO PUMP SAID HEATING LIQUID THROUGH AND ROUND SAID CIRCUIT, ENERGY CONVERSION MEANS IN SAID CIRCUIT FOR CONVERTING MECHANICAL ENERGY INTO THERMAL ENERGY ADAPTED TO EFFECT AN INCREASE IN TEMPERATURE OF SAID HEATING LIQUID, AND BELT VULCANISING PLATEN MEANS IN SAID CIRCUIT ADAPTED TO BE HEATED BY SAID HEATING LIQUID.
Claim 2
Dependent Claim
69 words
A PORTABLE, BELT VULCANISING UNIT WHICH INCLUDES A CLOSED HEATING LIQUID CIRCUIT, CIRCULATING PUMP MEANS IN SAID CIRCUIT ADAPTED TO PUMP SAID HEATING LIQUID THROUGH AND ROUND SAID CIRCUIT, ENERGY CONVERSION MEANS IN SAID CIRCUIT FOR CONVERTING MECHANICAL ENERGY INTO THERMAL ENERGY ADAPTED TO EFFECT AN INCREASE IN TEMPERATURE OF SAID HEATING LIQUID, AND BELT VULCANISING PLATEN MEANS IN SAID CIRCUIT ADAPTED TO BE HEATED BY SAID HEATING LIQUID.
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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) | 1970-07-31 | 1971-01-30 | 1971-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-31 | 1975-01-30 | 1975-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-31 | 1979-01-30 | 1979-08-01 | $7700.00 | Window Closed / Lapsed |