US3193876A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mold and heating apparatus therefor
Assignee: Thompson Industries Inc
•
Filing: 1962-09-25
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Granted: 1965-07-13
•
Expires: 1982-09-25
Abstract
No abstract record available.
Inventors
- 👤 Stanley W Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:40
CPC Classifications
B; B29; B29C; B29C44/00; B29C44/34; B29C44/36; B29C44/38; B29C44/44; B29C44/445; B29C33/00; B29C33/02; B29C33/04; B29C44/3415; B29C44/3426; Y; Y10; Y10S; Y10S425/00; Y10S425/812
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
IN A MOLD AND HEATING APPARATUS THEREFOR, THE COMBINATION OF: (A) WALL MEANS DEFINING A MOLD CAVITY HAVING A MOLD SURFACE; (B) ANOTHER WALL MEANS SPACED FROM THE WALL MEANS FIRST MENTIONED AND COOPERATING THEREWITH TO FORM A STEAM CHAMBER SEPARATED FROM SAID MOLD CAVITY BY SAID FIRST WALL MEANS; (C) VALVE MEANS COMPRISING A PLURALITY OF SPACED VALVES FOR ADMITTING STEAM FROM SAID STEAM CHAMBER INTO SAID MOLD CAVITY; (D) EACH OF SAID VALVES INCLUDING A CYLINDER BRIDGING SAID STEAM CHAMBER AND HAVING A BORE EXTENDING THROUGH BOTH OF SAID WALL MEANS AND THROUGH SAID MOLD SURFACE AND COMMUNICATING WITH SAID MOLD CAVITY; (E) EACH OF SAID CYLINDERS HAVING AT LEAST ONE PORT PROVIDING COMMUNICATION BETWEEN SAID BORE THEREIN AND SAID STEAM CHAMBER;
Claim 2
Dependent Claim
124 words
IN A MOLD AND HEATING APPARATUS THEREFOR, THE COMBINATION OF: (A) WALL MEANS DEFINING A MOLD CAVITY HAVING A MOLD SURFACE; (B) ANOTHER WALL MEANS SPACED FROM THE WALL MEANS FIRST MENTIONED AND COOPERATING THEREWITH TO FORM A STEAM CHAMBER SEPARATED FROM SAID MOLD CAVITY BY SAID FIRST WALL MEANS; (C) VALVE MEANS COMPRISING A PLURALITY OF SPACED VALVES FOR ADMITTING STEAM FROM SAID STEAM CHAMBER INTO SAID MOLD CAVITY; (D) EACH OF SAID VALVES INCLUDING A CYLINDER BRIDGING SAID STEAM CHAMBER AND HAVING A BORE EXTENDING THROUGH BOTH OF SAID WALL MEANS AND THROUGH SAID MOLD SURFACE AND COMMUNICATING WITH SAID MOLD CAVITY; (E) EACH OF SAID CYLINDERS HAVING AT LEAST ONE PORT PROVIDING COMMUNICATION BETWEEN SAID BORE THEREIN AND SAID STEAM CHAMBER;
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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) | 1968-07-12 | 1969-01-11 | 1969-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-12 | 1973-01-11 | 1973-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-12 | 1977-01-11 | 1977-07-13 | $7700.00 | Window Closed / Lapsed |