US2967455A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Microphoto apparatus
Assignee: Individual
•
Filing: 1958-02-07
•
Granted: 1961-01-10
•
Expires: 1978-02-07
Abstract
No abstract record available.
Inventors
- 👤 Dwight F Mccormack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:26
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/32; G03B27/46; G03B27/465
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190303058A
Cited
US1934582A
Cited
US1974174A
Cited
GB526296A
Cited
GB613912A
Cited
US2470844A
Cited
US2578037A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-10 | 1964-07-11 | 1965-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-10 | 1968-07-11 | 1969-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-10 | 1972-07-11 | 1973-01-10 | $7700.00 | Window Closed / Lapsed |