US3023304A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shadow box
Assignee: SOGC Inc
•
Filing: 1958-08-07
•
Granted: 1962-02-27
•
Expires: 1978-08-07
Abstract
No abstract record available.
Inventors
- 👤 Lorenz A Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:17
CPC Classifications
G; G03; G03D; G03D15/00; G03D15/006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1139723A
Cited
US1466038A
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US1760253A
Cited
US2120813A
Cited
US2214209A
Cited
US2347665A
Cited
GB664193A
Cited
US2671163A
Cited
US2594081A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-26 | 1965-08-28 | 1966-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-26 | 1969-08-28 | 1970-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-26 | 1973-08-28 | 1974-02-27 | $7700.00 | Window Closed / Lapsed |