US3357057A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mold for pressure injected material
Assignee: Individual
•
Filing: 1965-10-15
•
Granted: 1967-12-12
•
Expires: 1985-10-15
Abstract
No abstract record available.
Inventors
- 👤 Harry R Bucy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:39
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/17; B29C45/26; B29C45/34; B22; B22D; B22D17/00; B22D17/14; Y; Y10; Y10S; Y10S425/00; Y10S425/812
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
IN A SEPARABLE MOLD HAVING A CAVITY INTO WHICH MOLTEN MATERIAL IS TO BE INJECTED UNDER PRESSURE, THE COMBINATION OF VACUUM PRODUCING MEANS CARRIED BY SAID MOLD AND OPERATIVE TO EVACUATE THE MOLD CAVITY, AND OTHER VACUUM PRODUCING MEANS CARRIED BY SAID MOLD OPERATIVE TO CREATE ZONES OF VACUUM AT EVERY POINT ON SAID MOLD BETWEEN THE EXTERIOR SURFACE OF THE MOLD AND THE MOLD CAVITY AT WHICH, WITH THE MOLD NORMALLY CLOSED, AIR AND GAS COULD REACH THE MOLD CAVITY, WHEREBY MORE COMPLETE EVACUATION OF THE MOLD CAVITY BY SAID CAVITY EVACUATING MEANS MAY BE ACHIEVED.
Claim 2
Dependent Claim
97 words
IN A SEPARABLE MOLD HAVING A CAVITY INTO WHICH MOLTEN MATERIAL IS TO BE INJECTED UNDER PRESSURE, THE COMBINATION OF VACUUM PRODUCING MEANS CARRIED BY SAID MOLD AND OPERATIVE TO EVACUATE THE MOLD CAVITY, AND OTHER VACUUM PRODUCING MEANS CARRIED BY SAID MOLD OPERATIVE TO CREATE ZONES OF VACUUM AT EVERY POINT ON SAID MOLD BETWEEN THE EXTERIOR SURFACE OF THE MOLD AND THE MOLD CAVITY AT WHICH, WITH THE MOLD NORMALLY CLOSED, AIR AND GAS COULD REACH THE MOLD CAVITY, WHEREBY MORE COMPLETE EVACUATION OF THE MOLD CAVITY BY SAID CAVITY EVACUATING MEANS MAY BE ACHIEVED.
References Cited (Backward Citations)
US3108339A
Cited
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 |