US3056167A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mold for high strength members
Assignee: Proman Inc
•
Filing: 1958-07-16
•
Granted: 1962-10-02
•
Expires: 1978-07-16
Abstract
No abstract record available.
Inventors
- 👤 Curt A Knoppel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:51
CPC Classifications
B; B29; B29D; B29D99/00; B29D99/0003; B29D99/0007; B29C; B29C33/00; B29C70/00; B29C70/04; B29C70/28; B29C70/30; B29C70/34; B29C70/347; B29C70/40; B29C70/42; B29C70/46; B29C70/68; B29C70/86; F; F16; F16C; F16C7/00; F16C7/02; F16C7/026; Y; Y10; Y10S; Y10S238/00; Y10S238/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US791648A
Cited
US1605356A
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US2377335A
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US2423196A
Cited
US2746514A
Cited
US2688776A
Cited
US2791804A
Cited
US2859936A
Cited
US2980158A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-01 | 1966-04-02 | 1966-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-01 | 1970-04-02 | 1970-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-01 | 1974-04-02 | 1974-10-02 | $7700.00 | Window Closed / Lapsed |