US3128322A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of molding
Assignee: Hercules Powder Co
•
Filing: 1960-10-25
•
Granted: 1964-04-07
•
Expires: 1980-10-25
Abstract
No abstract record available.
Inventors
- 👤 Richard E Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:39
CPC Classifications
B; B30; B30B; B30B5/00; B30B5/02; B29; B29C; B29C70/00; B29C70/04; B29C70/28; B29C70/40; B29C70/42; B29C70/44; B29C43/00; B29C43/02; B29C43/10; B29C43/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1559972A
Cited
GB313307A
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GB399578A
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US1959565A
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US1970506A
Cited
US2187918A
Cited
US2401299A
Cited
US2531218A
Cited
US2565949A
Cited
US2517701A
Cited
GB671832A
Cited
US2945262A
Cited
US2977268A
Cited
US2977269A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-07 | 1967-10-07 | 1968-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-07 | 1971-10-07 | 1972-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-07 | 1975-10-07 | 1976-04-07 | $7700.00 | Window Closed / Lapsed |