US2350996A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming pipe coverings
Assignee: Owens Corning
•
Filing: 1940-01-06
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Granted: 1944-06-13
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Expires: 1960-01-06
Abstract
No abstract record available.
Inventors
- 👤 Warren H Atkinson
- 👤 Howard W Collins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:35
CPC Classifications
B; B29; B29C; B29C53/00; B29C53/22; B29C53/24; B29K; B29K2105/00; B29K2105/06; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1007; Y10T156/1016; Y10T156/102; Y10T156/1052; Y10T156/1059; Y10T156/1062; Y10T156/1075
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) | 1947-06-13 | 1947-12-13 | 1948-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-06-13 | 1951-12-13 | 1952-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-06-13 | 1955-12-13 | 1956-06-13 | $7700.00 | Window Closed / Lapsed |