US2877531A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and machine for molding delicate materials
Assignee: Individual
•
Filing: 1954-09-23
•
Granted: 1959-03-17
•
Expires: 1974-09-23
Abstract
No abstract record available.
Inventors
- 👤 Heine Henry William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:56
CPC Classifications
B; B28; B28B; B28B3/00; B28B3/02; B28B3/08; B28B13/00; B28B13/04; B28B13/06; Y; Y10; Y10S; Y10S425/00; Y10S425/035
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2026940A
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US2256798A
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US2345112A
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US2449515A
Cited
US2489069A
Cited
US2519994A
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US2632227A
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US2763202A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-16 | 1962-09-15 | 1963-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-16 | 1966-09-15 | 1967-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-16 | 1970-09-15 | 1971-03-17 | $7700.00 | Window Closed / Lapsed |