Patent US413968A successfully refreshed from Google Patents.
Patent US3530029A successfully refreshed from Google Patents.
US3530029A
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US
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Composite sheet forming apparatus and method
Assignee: Individual
•
Filing: 1968-11-12
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Granted: 1970-09-22
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Expires: 1988-11-12
Abstract
No abstract record available.
Inventors
- 👤 Jerome H Lemelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 02:59
CPC Classifications
B; B29; B29C; B29C44/00; B29C44/20; B29C44/30; B29C44/308; B29C44/306; B29C44/32; B29C44/326; B29L; B29L2007/00; B29L2009/00; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49616; Y10T29/49623; Y10T29/49629
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2578140A
Cited
US2547880A
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US2898626A
Cited
US3166829A
Cited
US2973295A
Cited
US3246058A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-21 | 1974-03-23 | 1974-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-21 | 1978-03-23 | 1978-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-21 | 1982-03-23 | 1982-09-22 | $7700.00 | Window Closed / Lapsed |