Patent US3962612A successfully refreshed from Google Patents.
Patent US3535180A successfully refreshed from Google Patents.
US3535180A
Expired / Lapsed
US
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Methods of making reinforced plastic sheeting
Assignee: Johnson and Johnson
•
Filing: 1967-02-28
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Granted: 1970-10-20
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Expires: 1987-02-28
Abstract
No abstract record available.
Inventors
- 👤 Glen P Gasaway
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:21
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/69; B29C65/00; B29C65/02; B29C65/40; B29C65/42; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/40; B29C66/41; B29C66/45; B29C66/70; B29C66/72; B29C66/721; B29C66/7214; B29C66/72141; B29C66/73; B29C66/739; B29C66/7392; B29C66/80; B29C66/83; B29C66/834; B29C66/8341; B29C66/83411; B29C66/83413; B29C70/00; B29C70/04; B29C70/06; B29C70/10; B29C70/16; B29C70/20; B29C70/202; B29C70/28; B29C70/40; B29C70/50; B29C70/504; B29C70/506; B29C66/71; B29C66/83415; B29C70/68; B29C70/685; B29C70/687; B29K; B29K2105/00; B29K2105/06; B29K2105/08; B29K2105/10; B29K2105/101; B29L; B29L2028/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-19 | 1974-04-20 | 1974-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-19 | 1978-04-20 | 1978-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-19 | 1982-04-20 | 1982-10-20 | $7700.00 | Window Closed / Lapsed |