US3357054A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermoforming apparatus
Assignee: Individual
•
Filing: 1966-01-04
•
Granted: 1967-12-12
•
Expires: 1986-01-04
Abstract
No abstract record available.
Inventors
- 👤 Jr Maurice D Hartman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 01:00
CPC Classifications
B; B29; B29C; B29C51/00; B29C51/26; B29C51/42; B29C51/421; B29C51/425; B29C51/10; Y; Y10; Y10S; Y10S425/00; Y10S425/048
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
THERMOFORMING APPARATUS FOR OPERATION BY SINGLE OPERATOR, SAID APPARATUS COMPRISING A PAIR OF MOLD STATIONS DISPOSED IN ANGULARLY SPACED-APART RELATION FOR ACCESS BY AN OPERTOR FROM A RADIALLY INWARD POSITION, A MOLD LOCATED AT EACH STATION, A WORKHOLDING FRAME MOUNTED AT EACH STATION FOR ALTERNATE MOVEMENT OF SAID FRAMES BY AN OPERATOR INTO AND OUT OF OPERATIVE ASSOCIATION WITH ITS ADJACENT MOLD, PNEUMATIC MEANS CONNECTED TO SAID STATIONS FOR ALTERNATELY APPLYING A PREDETERMINED FORMING PRESSURE AT RESPECTIVE MOLDS, AND HEATER MEANS MOUNTED FOR SWINGING MOVEMENT ALONG AN ARCUATE PATH BETWEEN POSITIONS INOPERATIVE RELATION WITH RESPECTIVE STATIONS AND THROUGH AN INTERMEDIATE POSITION BETWEEN SAID STATIONS; WHEREBY A WORKPIECE AT EACH STATION IS ADAPTED TO BE HEATED AND FORMED WHILE A FINISHED WORKPIECE IS BEING REMOVED FROM AND A NEW WORKPIECE REPLACED AT THE OTHER STATION BY A SINGLE OPERATOR.
Claim 2
Dependent Claim
138 words
THERMOFORMING APPARATUS FOR OPERATION BY SINGLE OPERATOR, SAID APPARATUS COMPRISING A PAIR OF MOLD STATIONS DISPOSED IN ANGULARLY SPACED-APART RELATION FOR ACCESS BY AN OPERTOR FROM A RADIALLY INWARD POSITION, A MOLD LOCATED AT EACH STATION, A WORKHOLDING FRAME MOUNTED AT EACH STATION FOR ALTERNATE MOVEMENT OF SAID FRAMES BY AN OPERATOR INTO AND OUT OF OPERATIVE ASSOCIATION WITH ITS ADJACENT MOLD, PNEUMATIC MEANS CONNECTED TO SAID STATIONS FOR ALTERNATELY APPLYING A PREDETERMINED FORMING PRESSURE AT RESPECTIVE MOLDS, AND HEATER MEANS MOUNTED FOR SWINGING MOVEMENT ALONG AN ARCUATE PATH BETWEEN POSITIONS INOPERATIVE RELATION WITH RESPECTIVE STATIONS AND THROUGH AN INTERMEDIATE POSITION BETWEEN SAID STATIONS; WHEREBY A WORKPIECE AT EACH STATION IS ADAPTED TO BE HEATED AND FORMED WHILE A FINISHED WORKPIECE IS BEING REMOVED FROM AND A NEW WORKPIECE REPLACED AT THE OTHER STATION BY A SINGLE OPERATOR.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-11 | 1971-06-12 | 1971-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-11 | 1975-06-12 | 1975-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-11 | 1979-06-12 | 1979-12-12 | $7700.00 | Window Closed / Lapsed |