US2474055A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Image copying projection machine
Assignee: MERRITT LACEY Corp
•
Filing: 1948-06-15
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Granted: 1949-06-21
•
Expires: 1968-06-15
Abstract
No abstract record available.
Inventors
- 👤 Lacey Robert Merritt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:50
CPC Classifications
B; B43; B43L; B43L13/00; B43L13/14; B43L13/16; B43L13/18; G; G03; G03B; G03B21/00; G03B21/132
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1306861A
Cited
US2341042A
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US704379A
Cited
US1270896A
Cited
US1604765A
Cited
US1597598A
Cited
US1911142A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-20 | 1952-12-20 | 1953-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-20 | 1956-12-20 | 1957-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-20 | 1960-12-20 | 1961-06-21 | $7700.00 | Window Closed / Lapsed |