US2674167A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for homogeneous spraying film
Assignee: Individual
•
Filing: 1950-09-18
•
Granted: 1954-04-06
•
Expires: 1970-09-18
Abstract
No abstract record available.
Inventors
- 👤 Charles N Edwards
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 02:54
CPC Classifications
B; B05; B05B; B05B13/00; B05B13/02; B05B13/0207; B05B3/00; B05B3/02; B05B3/10; B05B3/1007; B05B3/1021
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1610782A
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US1728361A
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US1908230A
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US1907252A
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DE658797C
Cited
US2419853A
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US2492133A
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US2478896A
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US2548573A
Cited
US2565718A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-05 | 1957-10-05 | 1958-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-05 | 1961-10-05 | 1962-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-05 | 1965-10-05 | 1966-04-06 | $7700.00 | Window Closed / Lapsed |