US2959822A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Porous plastic sheeting
Assignee: Pritchett and Gold and EPS Co Ltd
•
Filing: 1959-02-12
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Granted: 1960-11-15
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Expires: 1979-02-12
Abstract
No abstract record available.
Inventors
- 👤 Honey Eric Maurice O'conor
- 👤 Hardy Charles Rupert
- 👤 Sharp Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:13
CPC Classifications
D; D06; D06N; D06N3/00; D06N3/04; D06N3/06; B; B29; B29C; B29C70/00; B29C70/04; B29C70/06; B29C70/10; B29C70/16; B29C70/22; B32; B32B; B32B27/00; C; C08; C08J; C08J9/00; C08J9/26; D06N3/0043; D06N3/0052; D06N3/0086; D06N3/0088
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) | 1963-11-15 | 1964-05-16 | 1964-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-15 | 1968-05-16 | 1968-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-15 | 1972-05-16 | 1972-11-15 | $7700.00 | Window Closed / Lapsed |