Patent US3081492A successfully refreshed from Google Patents.
US3081492A
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US
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Potting mechanism
Assignee: Motors Liquidation Co
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Filing: 1960-12-16
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Granted: 1963-03-19
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Expires: 1980-12-16
Abstract
No abstract record available.
Inventors
- 👤 Daniel E Grzegorczyk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:48
CPC Classifications
B; B29; B29C; B29C31/00; B29C31/02; B29C31/04; B29C31/042; B29C39/00; B29C39/22; B29C39/24; B29C39/42; Y; Y10; Y10S; Y10S264/00; Y10S264/78; Y10S425/00; Y10S425/06
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
193 words
APPARATUS FOR CASTING RESINS UNDER VACUUM CONDITIONS COMPRISING A VACUUM CHAMBER, A RESIN MIXING CUP WITHIN SAID CHAMBER HAVING AN OPENING IN THE BASE THEREOF, A CLOSURE DEVICE DISPOSED BENEATH SAID RESIN CUP ADAPTED FOR VERTICAL MOVEMENT BETWEEN A RAISED AND LOWERED POSITION AND A PLURALITY OF RESIN CASTING MOLDS DISPOSED BENEATH SAID DEVICE, SAID DEVICE HAVING A GENERALLY CONICAL CONFIGURATION INCLUDING A PARTIALLY SPHERICAL PLUG FORMING THE VORTEX THEREOF ADAPTED TO CLOSE SAID OPENING WHEN SAID DEVICE IS IN SAID RAISED POSITION AND TO RECEIVE THE FLOW OF RESIN FROM SAID CUP WHEN IN SAID LOWERED POSITION, SAID DEVICE IS IN SAID RAISED POSITION AND VOIR ABOUT AND BELOW SAID PLUG AND A PLURALITY OF DOWNWARDLY SLOPING CHANNELS EXTENDING FROM A POINT ABOVE THE LOWERMOST PORTION OF SAID RESERVOIR AND EXTENDING TO THE EDGE OF SAID DEVICE ADAPTED TO GUIDE THE RESIN FROM SAID DEPRESSION TO SAID MOULDS AT A UNIFORM RATE, COMPRESSION SPRING MEANS SUPPORTING AND URGING SAID DEVICE TO SAID RAISED POSITION, SOLENOID MEANS OPERATIVELY CONNECTED TO SAID DEVICE FOR DRAWING IT TO SAID LOWERED POSITION, AND HEARING COILS ASSOCIATED WITH SAID RESIN CUP, SAID CLOSURE DEVICE AND SAID MOLDS.
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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) | 1966-03-18 | 1966-09-17 | 1967-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-18 | 1970-09-17 | 1971-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-18 | 1974-09-17 | 1975-03-19 | $7700.00 | Window Closed / Lapsed |