Patent US2943676A successfully refreshed from Google Patents.
US2943676A
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US
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Plastic window covering and method of making the same
Assignee: Millennium Petrochemicals Inc
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Filing: 1957-07-11
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Granted: 1960-07-05
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Expires: 1977-07-11
Abstract
No abstract record available.
Inventors
- 👤 Dominic A Grenci
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:16
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/04; E06B3/28; E06B3/285; B; B29; B29C; B29C65/00; B29C65/56; B29C65/562; B29C66/00; B29C66/40; B29C66/41; B29C66/43; B29C66/433; B29C66/4332; B29C66/70; B29C66/71; B29C66/01; B29C66/05; B29C66/10; B29C66/13; B29C66/137; Y; Y10; Y10T; Y10T428/00; Y10T428/15
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2736066A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-05 | 1964-01-04 | 1964-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-05 | 1968-01-04 | 1968-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-05 | 1972-01-04 | 1972-07-05 | $7700.00 | Window Closed / Lapsed |