US3351977A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shaping apparatus
Assignee: American Excelsior Corp
•
Filing: 1965-08-03
•
Granted: 1967-11-14
•
Expires: 1985-08-03
Abstract
No abstract record available.
Inventors
- 👤 Dale J Gasch
- 👤 Ronald D Pitsch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:50
CPC Classifications
B; B29; B29C; B29C51/00; B29C51/18; B29C51/20; B29C51/22; B29C51/24; B29C51/26; B29C51/44; B29C51/445
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1305474A
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US980144A
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US1469820A
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US1905663A
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US2350996A
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FR61855E
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US2764193A
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US2866230A
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US3099043A
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US3298064A
Cited
US3280430A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-13 | 1971-05-15 | 1971-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-13 | 1975-05-15 | 1975-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-13 | 1979-05-15 | 1979-11-14 | $7700.00 | Window Closed / Lapsed |