US2985068A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Negative carrier
Assignee: Individual
•
Filing: 1958-08-12
•
Granted: 1961-05-23
•
Expires: 1978-08-12
Abstract
No abstract record available.
Inventors
- 👤 Carl A Ness
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:45
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/32; G03B27/52; G03B27/62; G03B27/6271; G03B27/6285
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
NL57939C
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DE512874C
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US2073304A
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US2251184A
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US2271530A
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US2385771A
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US2418226A
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US2461405A
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US2589680A
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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) | 1964-05-22 | 1964-11-21 | 1965-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-22 | 1968-11-21 | 1969-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-22 | 1972-11-21 | 1973-05-23 | $7700.00 | Window Closed / Lapsed |