US2830512A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic apparatus
Assignee: Individual
•
Filing: 1954-03-26
•
Granted: 1958-04-15
•
Expires: 1974-03-26
Abstract
No abstract record available.
Inventors
- 👤 Aloysius J Nagel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:06
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/24; G03B17/245; G03B2217/00; G03B2217/24; G03B2217/241; G03B2217/242; G03B2217/243
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE578363C
Cited
US1674540A
Cited
US1604765A
Cited
US1722935A
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US2083215A
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US2125388A
Cited
US2347749A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-14 | 1961-10-14 | 1962-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-14 | 1965-10-14 | 1966-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-14 | 1969-10-14 | 1970-04-15 | $7700.00 | Window Closed / Lapsed |