Patent US3511694A successfully refreshed from Google Patents.
US3511694A
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Method of making a coated agricultural mulch sheet
Assignee: ConocoPhillips Co
•
Filing: 1968-07-08
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Granted: 1970-05-12
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Expires: 1988-07-08
Abstract
No abstract record available.
Inventors
- 👤 Richard F Lippoldt
- 👤 Warren W Woods
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:37
CPC Classifications
B; B05; B05C; B05C5/00; B05C5/005; A; A01; A01C; A01C1/00; A01C1/04; A01C1/044; B05D; B05D1/00; B05D1/30; B05D1/305; Y; Y10; Y10S; Y10S118/00; Y10S118/04; Y10T; Y10T428/00; Y10T428/24; Y10T428/24355; Y10T428/24446; Y10T428/24455; Y10T428/26; Y10T428/263
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US3085731A
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US3210173A
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US3249567A
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US3261127A
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US3274731A
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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) | 1973-05-11 | 1973-11-10 | 1974-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-11 | 1977-11-10 | 1978-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-11 | 1981-11-10 | 1982-05-12 | $7700.00 | Window Closed / Lapsed |