US2968211A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Image reproduction and control
Assignee: Individual
•
Filing: 1957-07-03
•
Granted: 1961-01-17
•
Expires: 1977-07-03
Abstract
No abstract record available.
Inventors
- 👤 Douglas Newhall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:35
CPC Classifications
G; G03; G03B; G03B15/00; G03B15/08; G03B15/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US829400A
Cited
US1102172A
Cited
US1593089A
Cited
US1967541A
Cited
US2014435A
Cited
US2142183A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-17 | 1964-07-18 | 1965-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-17 | 1968-07-18 | 1969-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-17 | 1972-07-18 | 1973-01-17 | $7700.00 | Window Closed / Lapsed |