US3341357A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Degradable polyolefin mulching film having opaque coating
Assignee: Hercules LLC
•
Filing: 1964-06-25
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Granted: 1967-09-12
•
Expires: 1984-06-25
Abstract
No abstract record available.
Inventors
- 👤 George B Feild
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:33
CPC Classifications
A; A01; A01G; A01G13/00; A01G13/30; A01G13/32; A01G13/33; C; C08; C08J; C08J7/00; C08J7/04; C08J7/0427; C08J7/043; C08K; C08K5/00; C08K5/0008; C08K5/0033; C08L; C08L23/00; C08L23/02; C08L23/04; C08L23/06; C08L23/10; C08L65/00; C08J2323/00; C08J2323/02; C08L2207/00; C08L2207/06; C08L2207/064; C08L2207/066; Y; Y10; Y10S; Y10S220/00; Y10S220/30; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31725; Y10T428/3175; Y10T428/31757; Y10T428/31855; Y10T428/31909; Y10T428/31913
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
A DEGRADABALE AGRICULTURAL MULCHING FILM COMPRISING A TRANSPARENT FILM OF A POLYOLEFIN HAVING ON ITS UNDERSURFACE AN ADHERENT OPAQUE COATING WHICH PREVENTS TRANSMISSION OF THE LIGHT FROM THE UPPER SURFACE OF THE FILM THROUGH THE COATING, SAID OPAQUE COATING CONSISTING ESSENTIALLY OF OPAQUE PIGMENT AND BINDER.
Claim 2
Dependent Claim
46 words
A DEGRADABALE AGRICULTURAL MULCHING FILM COMPRISING A TRANSPARENT FILM OF A POLYOLEFIN HAVING ON ITS UNDERSURFACE AN ADHERENT OPAQUE COATING WHICH PREVENTS TRANSMISSION OF THE LIGHT FROM THE UPPER SURFACE OF THE FILM THROUGH THE COATING, SAID OPAQUE COATING CONSISTING ESSENTIALLY OF OPAQUE PIGMENT AND BINDER.
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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) | 1970-09-11 | 1971-03-13 | 1971-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-11 | 1975-03-13 | 1975-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-11 | 1979-03-13 | 1979-09-12 | $7700.00 | Window Closed / Lapsed |