US2456650A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of coating filaments
Assignee: REDDING Manufacturing Co Inc
•
Filing: 1944-10-20
•
Granted: 1948-12-21
•
Expires: 1964-10-20
Abstract
No abstract record available.
Inventors
- 👤 Albert O Ryan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:43
CPC Classifications
D; D06; D06B; D06B3/00; D06B3/04; D06B3/045
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US827434A
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US1590608A
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US2155403A
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US2288982A
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US2283621A
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US2330370A
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US2327638A
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US2402846A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-12-21 | 1952-06-21 | 1952-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-12-21 | 1956-06-21 | 1956-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-12-21 | 1960-06-21 | 1960-12-21 | $7700.00 | Window Closed / Lapsed |