US3535901A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mold for forming material by means of impulsive hydraulic pressure
Assignee: Tokyo Sharyo Seizo KK
•
Filing: 1967-05-24
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Granted: 1970-10-27
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Expires: 1987-05-24
Abstract
No abstract record available.
Inventors
- 👤 Hiroshi Tominaga
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:42
CPC Classifications
G; G11; G11C; G11C19/00; G11C19/02; G11C19/08; B; B21; B21C; B21C37/00; B21C37/06; B21C37/15; B21C37/28; B21C37/29; B21C37/294; B21D; B21D15/00; B21D15/04; B21D15/10; B21D26/00; B21D26/02; B21D26/033; B21D26/041; B21D26/043; B21D26/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1930745A
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US2410857A
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US2652121A
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US2728317A
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US3177689A
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US3203212A
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US3379043A
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US3358489A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-26 | 1974-04-27 | 1974-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-26 | 1978-04-27 | 1978-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-26 | 1982-04-27 | 1982-10-27 | $7700.00 | Window Closed / Lapsed |