US3513593A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synthetic soil block with recess
Assignee: Primerica Inc
•
Filing: 1967-09-14
•
Granted: 1970-05-26
•
Expires: 1987-09-14
Abstract
No abstract record available.
Inventors
- 👤 Gail Edwin Beck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:20
CPC Classifications
A; A01; A01G; A01G24/00; A01G24/40; A01G24/44; A01G24/20; A01G24/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA722589A
Cited
US2594955A
Cited
US2691849A
Cited
US2785969A
Cited
US2821307A
Cited
US2988441A
Cited
US3180055A
Cited
US3375607A
Cited
US3338390A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-25 | 1973-11-24 | 1974-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-25 | 1977-11-24 | 1978-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-25 | 1981-11-24 | 1982-05-26 | $7700.00 | Window Closed / Lapsed |