Patent US2977929A successfully refreshed from Google Patents.
US2977929A
Expired / Lapsed
US
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Metal applicator for filamentary material
Assignee: Owens Corning
•
Filing: 1955-01-03
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Granted: 1961-04-04
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Expires: 1975-01-03
Abstract
No abstract record available.
Inventors
- 👤 Harry B Whitehurst
- 👤 William P Warthen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:27
CPC Classifications
C; C23; C23C; C23C2/00; C23C2/34; C23C2/36; C23C2/38; C03; C03C; C03C25/00; C03C25/10; C03C25/42; C03C25/46; Y; Y10; Y10S; Y10S118/00; Y10S118/19
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1496309A
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US1934796A
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US2225667A
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US2325129A
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US2369769A
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US2373078A
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US2598908A
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FR1092604A
Cited
US2772518A
Cited
FR1107131A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-03 | 1964-10-03 | 1965-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-03 | 1968-10-03 | 1969-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-03 | 1972-10-03 | 1973-04-04 | $7700.00 | Window Closed / Lapsed |