US2727429A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the production of composite photographic effects
Assignee: Individual
•
Filing: 1953-11-30
•
Granted: 1955-12-20
•
Expires: 1973-11-30
Abstract
No abstract record available.
Inventors
- 👤 Will F Jenkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:15
CPC Classifications
G; G03; G03B; G03B15/00; G03B15/08; G03B15/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1301538A
Cited
US1526715A
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US1959498A
Cited
US1998054A
Cited
US2076103A
Cited
DE598712C
Cited
GB475312A
Cited
US2174931A
Cited
FR985945A
Cited
FR55912E
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-12-19 | 1959-06-20 | 1959-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-12-19 | 1963-06-20 | 1963-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-12-19 | 1967-06-20 | 1967-12-20 | $7700.00 | Window Closed / Lapsed |