US3019652A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Development time meter
Assignee: Individual
•
Filing: 1958-01-02
•
Granted: 1962-02-06
•
Expires: 1978-01-02
Abstract
No abstract record available.
Inventors
- 👤 Emil S Wieszeck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 03:36
CPC Classifications
G; G03; G03D; G03D13/00; G03D13/007; G03B; G03B17/00; G03B17/48; G03B17/50; G03B17/52
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2455111A
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US2755666A
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US2794377A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-05 | 1965-08-07 | 1966-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-05 | 1969-08-07 | 1970-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-05 | 1973-08-07 | 1974-02-06 | $7700.00 | Window Closed / Lapsed |