US2681725A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Material thrower for coating machines
Assignee: Individual
•
Filing: 1949-06-20
•
Granted: 1954-06-22
•
Expires: 1969-06-20
Abstract
No abstract record available.
Inventors
- 👤 Spencer A Earnshaw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:53
CPC Classifications
E; E04; E04F; E04F21/00; E04F21/02; E04F21/06; E04F21/08; E04F21/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US236489A
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US1065365A
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US1040253A
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US1523275A
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US1895608A
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US2069589A
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US2168329A
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US2333426A
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US2391597A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-06-21 | 1957-12-21 | 1958-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-21 | 1961-12-21 | 1962-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-21 | 1965-12-21 | 1966-06-22 | $7700.00 | Window Closed / Lapsed |