US2878648A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Molding machine ram and valve construction
Assignee: National Automatic Tool Co Inc
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Filing: 1957-08-26
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Granted: 1959-03-24
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Expires: 1977-08-26
Abstract
No abstract record available.
Inventors
- 👤 Richard M Norman
- 👤 Russell W Powell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:39
CPC Classifications
B; B30; B30B; B30B15/00; B30B15/16; B30B15/161; B29; B29C; B29C45/00; B29C45/17; B29C45/64; B29C45/67; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/8667
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-23 | 1962-09-22 | 1963-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-23 | 1966-09-22 | 1967-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-23 | 1970-09-22 | 1971-03-24 | $7700.00 | Window Closed / Lapsed |