US3477724A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pellet target
Assignee: Century Geophysical Corp
•
Filing: 1966-05-16
•
Granted: 1969-11-11
•
Expires: 1986-05-16
Abstract
No abstract record available.
Inventors
- 👤 Stanley W Wilcox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:31
CPC Classifications
F; F41; F41J; F41J13/00; F41J13/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US3122367A
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US3319960A
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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) | 1972-11-10 | 1973-05-12 | 1973-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-10 | 1977-05-12 | 1977-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-10 | 1981-05-12 | 1981-11-11 | $7700.00 | Window Closed / Lapsed |