US3145423A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air-releasing mold
Assignee: Precision Associates Inc
•
Filing: 1961-09-25
•
Granted: 1964-08-25
•
Expires: 1981-09-25
Abstract
No abstract record available.
Inventors
- 👤 Wells J Horvereid
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:22
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/17; B29C45/26; B29C45/34; B29C45/02; Y; Y10; Y10S; Y10S425/00; Y10S425/812
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA563537A
Cited
US2938232A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-25 | 1968-02-24 | 1968-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-25 | 1972-02-24 | 1972-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-25 | 1976-02-24 | 1976-08-25 | $7700.00 | Window Closed / Lapsed |