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US2822729A
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Housing and manipulating apparatus for light modifying elements
Assignee: Individual
•
Filing: 1953-09-01
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Granted: 1958-02-11
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Expires: 1973-09-01
Abstract
No abstract record available.
Inventors
- 👤 Capatosto Leo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:46
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/02; G03B17/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US917368A
Cited
US1552920A
Cited
GB435220A
Cited
US2151735A
Cited
DE847244C
Cited
US2660926A
Cited
US2627207A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-10 | 1961-08-12 | 1962-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-10 | 1965-08-12 | 1966-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-10 | 1969-08-12 | 1970-02-11 | $7700.00 | Window Closed / Lapsed |