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Patent US2434385A successfully refreshed from Google Patents.
US2434385A
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US
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Apparatus for obtaining photographs giving an impression of relief
Assignee: LA RELIEPHOGRAPHIE SOCIETE POUR L'EXPLOITATION DES PROCEDES DE PHOTOGRAPHIE EN RELIEF Ste
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Filing: 1938-01-03
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Granted: 1948-01-13
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Expires: 1958-01-03
Abstract
No abstract record available.
Inventors
- 👤 Bonnet Maurice
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:31
CPC Classifications
G; G03; G03B; G03B35/00; G03B35/18; G03B35/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US632573A
Cited
GB190715726A
Cited
US1187884A
Cited
FR566611A
Cited
GB278394A
Cited
US1923987A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-01-12 | 1951-07-14 | 1952-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-01-12 | 1955-07-14 | 1956-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-01-12 | 1959-07-14 | 1960-01-13 | $7700.00 | Window Closed / Lapsed |