US2693135A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hot plate press loader
Assignee: Stimson Lumber Co
•
Filing: 1949-03-15
•
Granted: 1954-11-02
•
Expires: 1969-03-15
Abstract
No abstract record available.
Inventors
- 👤 Orcutt W Frost
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:20
CPC Classifications
B; B30; B30B; B30B7/00; B30B7/02; B30B7/023; D; D21; D21J; D21J1/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1801822A
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US1894778A
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GB433778A
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US2251197A
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US2403249A
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US2488104A
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US2439896A
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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) | 1957-11-01 | 1958-05-03 | 1958-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-01 | 1962-05-03 | 1962-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-01 | 1966-05-03 | 1966-11-02 | $7700.00 | Window Closed / Lapsed |