US3134137A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Molding and curing machines
Assignee: Individual
•
Filing: 1961-11-13
•
Granted: 1964-05-26
•
Expires: 1981-11-13
Abstract
No abstract record available.
Inventors
- 👤 Ralph C Immel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:44
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/03; B29C45/04; B29C45/06; B29C35/00; B29C35/02; B29C35/0277; B29C35/04; B29C35/049; B29C45/17; B29C45/26; B29C45/27; B29C45/28; B29K; B29K2021/00; Y; Y10; Y10S; Y10S425/00; Y10S425/20; Y10S425/201
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
APPARATUS FOR CHARGING, HEATING AND PRESSURIZING MOLDS FOR MOLDING HEAT-CURABLE MATERIAL, COMPRISING (A) A FRAME JOURNALED FOR ROTATION ABOUT A SPINDLE; (B) AN ANNULAR SERIES OF PRESSES SUPPORTED ON THE FRAME AND MOVED BETWEEN LOADING AND UNLOADING STATIONS AS THE FRAME ROTATES, EACH PRESS HAVING OPPOSED HORIZONTALLY-DISPOSED MOLD-CLAMPING PLATENS HAVING FLUID HEATING MEANS; (C) A ROTARY PIPE JOINT SUPPORTED BY SAID SPINDLE AND COUPLED WITH SAID FLUID HEATING MEANS; (D) AN EXTERNAL SOURCE OF HEATED FLUID COUPLED WITH SAID ROTARY PIPE JOINT; (E) SLIP RING MEANS ON SAID SPINDLE FOR CARRYING ELECTRIC POWER INTO THE FRAME; (F) A MOTOR DRIVEN HYDRAULIC PUMP MOUNTED IN THE FRAME AND CONNECTED TO RECEIVE POWER FROM SAID SLIP RING MEANS;
Claim 2
Dependent Claim
116 words
APPARATUS FOR CHARGING, HEATING AND PRESSURIZING MOLDS FOR MOLDING HEAT-CURABLE MATERIAL, COMPRISING (A) A FRAME JOURNALED FOR ROTATION ABOUT A SPINDLE; (B) AN ANNULAR SERIES OF PRESSES SUPPORTED ON THE FRAME AND MOVED BETWEEN LOADING AND UNLOADING STATIONS AS THE FRAME ROTATES, EACH PRESS HAVING OPPOSED HORIZONTALLY-DISPOSED MOLD-CLAMPING PLATENS HAVING FLUID HEATING MEANS; (C) A ROTARY PIPE JOINT SUPPORTED BY SAID SPINDLE AND COUPLED WITH SAID FLUID HEATING MEANS; (D) AN EXTERNAL SOURCE OF HEATED FLUID COUPLED WITH SAID ROTARY PIPE JOINT; (E) SLIP RING MEANS ON SAID SPINDLE FOR CARRYING ELECTRIC POWER INTO THE FRAME; (F) A MOTOR DRIVEN HYDRAULIC PUMP MOUNTED IN THE FRAME AND CONNECTED TO RECEIVE POWER FROM SAID SLIP RING MEANS;
References Cited (Backward Citations)
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US2333056A
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US2903747A
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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) | 1967-05-26 | 1967-11-25 | 1968-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-26 | 1971-11-25 | 1972-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-26 | 1975-11-25 | 1976-05-26 | $7700.00 | Window Closed / Lapsed |