US3084056A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plugging agent composition
Assignee: Individual
•
Filing: 1961-05-17
•
Granted: 1963-04-02
•
Expires: 1981-05-17
Abstract
No abstract record available.
Inventors
- 👤 Jr Alva Rado Archer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:01
CPC Classifications
C; C09; C09K; C09K8/00; C09K8/50; C09K8/516; C09K8/58; Y; Y10; Y10S; Y10S106/00; Y10S106/90; Y10S507/00; Y10S507/935
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-01 | 1966-10-01 | 1967-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-01 | 1970-10-01 | 1971-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-01 | 1974-10-01 | 1975-04-02 | $7700.00 | Window Closed / Lapsed |