US3530537A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tough plastic articles of manufacture
Assignee: Monsanto Co
•
Filing: 1969-02-06
•
Granted: 1970-09-29
•
Expires: 1989-02-06
Abstract
No abstract record available.
Inventors
- 👤 George E Walker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:02
CPC Classifications
B; B29; B29C; B29C51/00; B29C51/002; B29C51/04; B29C51/26; B29C51/44; B29C51/445; B29C51/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2891280A
Cited
US2910728A
Cited
US2985914A
Cited
US3180776A
Cited
US3218379A
Cited
US3414941A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-28 | 1974-03-30 | 1974-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-28 | 1978-03-30 | 1978-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-28 | 1982-03-30 | 1982-09-29 | $7700.00 | Window Closed / Lapsed |