US2565446A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Distorting easel
Assignee: HOUSE OF PHOTOGRAPHY Inc
•
Filing: 1948-03-10
•
Granted: 1951-08-21
•
Expires: 1968-03-10
Abstract
No abstract record available.
Inventors
- 👤 Abbott Berenice
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:46
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/32; G03B27/52; G03B27/68; G02; G02B; G02B26/00; G02B26/08; G02B26/0816; G02B26/0825
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US753351A
Cited
US744928A
Cited
GB190327102A
Cited
US840084A
Cited
US1457209A
Cited
US2314272A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-20 | 1955-02-19 | 1955-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-20 | 1959-02-19 | 1959-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-20 | 1963-02-19 | 1963-08-21 | $7700.00 | Window Closed / Lapsed |