US2536650A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pattern-controlled wallboard engraving machine
Assignee: Individual
•
Filing: 1946-10-18
•
Granted: 1951-01-02
•
Expires: 1966-10-18
Abstract
No abstract record available.
Inventors
- 👤 Martinez Luis Alberto Orta
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:17
CPC Classifications
B; B44; B44B; B44B3/00; B44B3/001; B44B3/06; B44B3/061
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1255935A
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US1281004A
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US1554497A
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US2026109A
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US2378017A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-01 | 1954-07-03 | 1955-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-01 | 1958-07-03 | 1959-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-01 | 1962-07-03 | 1963-01-02 | $7700.00 | Window Closed / Lapsed |