Patent US2373093A successfully refreshed from Google Patents.
US2373093A
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Process for inhibiting cracking of polymeric bodies
Assignee: AT&T Inc
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Filing: 1943-04-22
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Granted: 1945-04-10
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Expires: 1963-04-22
Abstract
No abstract record available.
Inventors
- 👤 William O Baker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:24
CPC Classifications
C; C08; C08J; C08J7/00; C08J7/08; B; B29; B29C; B29C59/00; B29C71/00; B29C71/02; B29C2071/022; B29K; B29K2023/00; B29K2023/04; B29K2023/06; B29K2025/00; B29K2027/00; B29K2027/06
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) | 1948-04-09 | 1948-10-09 | 1949-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-04-09 | 1952-10-09 | 1953-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-04-09 | 1956-10-09 | 1957-04-10 | $7700.00 | Window Closed / Lapsed |