US2219285A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and method for nodulating fibers
Assignee: Owens Corning
•
Filing: 1936-03-07
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Granted: 1940-10-29
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Expires: 1956-03-07
Abstract
No abstract record available.
Inventors
- 👤 Frank E Allen
- 👤 Harry V Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 09:19
CPC Classifications
C; C04; C04B; C04B18/00; C04B18/02; C03; C03B; C03B37/00; C03B37/10; C03B37/16; C04B30/00; C04B30/02; D; D04; D04H; D04H1/00; D04H1/40; D04H1/42; D04H1/4209; D04H1/4218; Y; Y10; Y10T; Y10T83/00; Y10T83/465; Y10T83/4699; Y10T83/4702
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1943-10-29 | 1944-04-29 | 1944-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-10-29 | 1948-04-29 | 1948-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-10-29 | 1952-04-29 | 1952-10-29 | $7700.00 | Window Closed / Lapsed |