US1785037A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for coating cores
Assignee: AT&T Inc
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Filing: 1927-08-20
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Granted: 1930-12-16
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Expires: 1947-08-20
Abstract
No abstract record available.
Inventors
- 👤 Martell Charles
- 👤 Hagen Berger Amandus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:20
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/25; B29C48/30; B29C48/304; B29C48/03; B29C48/06; B29C48/05; B29K; B29K2105/00; B29K2105/06; B29K2105/20; B29L; B29L2031/00; B29L2031/34; B29L2031/3462; Y; Y10; Y10S; Y10S118/00; Y10S118/18
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) | 1933-12-15 | 1934-06-16 | 1934-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-12-15 | 1938-06-16 | 1938-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-12-15 | 1942-06-16 | 1942-12-16 | $7700.00 | Window Closed / Lapsed |