US3141915A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and device for making wax patterns
Assignee: US Philips Corp
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Filing: 1959-11-10
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Granted: 1964-07-21
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Expires: 1979-11-10
Abstract
No abstract record available.
Inventors
- 👤 Nieuwenhuis Casparus Antonius
- 👤 Vogtschmidt Diederich Gerhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:47
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/17; B29C45/20; A; A61; A61C; A61C13/00; A61C13/0028; B22; B22C; B22C7/00; B22C7/02; B29C45/72; B29C67/00; B29C67/24; B29C67/241
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
142 words
APPARATUS FOR SUPPLYING WAX IN A PLASTIC STATE TO A MOLD COMPRISING A CONTAINER FOR STORING MOLTEN WAX, MEANS TO WITHDRAW THE MOLTEN WAX FROM THE CONTAINER AND SUPPLYING WAX IN A PLASTIC STATE TO THE MOLD INCLUDING A HELICAL TUBE CONNECTED AT BOTH ENDS TO A MANIFOLD, ONE END OF SAID MANIFOLD BEING CONNECTED TO AN OUTLET OF SAID CONTAINER AND THE OTHER END OF SAID MANIFOLD BEING CONNECTED TO A NOZZLE FOR SUPPLYING PLASTIC WAX TO THE MOLD, A SUPPLY OF A LIQUID COOLING MEDIUM SURROUNDING SAID CONDUIT, MEANS TO WITHDRAW HEAR FROM SAID COOLING MEDIUM, MEANS TO HEAT SAID COOLING MEDIUM TO A PREDETERMINED TEMPERATURE BELOW THAT OF THE MOLTEN WAX TO THEREBY COOL THE SAME INTO A PLASTIC STATE, AND MEANS RESPONSIVE TO THE TEMPERATURE OF THE COOLING MEDIUM TO MAINTAIN THE TEMPERATURE THEREOF AT SAID PREDETERMINED TEMPERATURE.
References Cited (Backward Citations)
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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) | 1967-07-21 | 1968-01-20 | 1968-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-21 | 1972-01-20 | 1972-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-21 | 1976-01-20 | 1976-07-21 | $7700.00 | Window Closed / Lapsed |