Patent US1711449A successfully refreshed from Google Patents.
US1711449A
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Treatment of pitch
Assignee: PETER C REILLY
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Filing: 1925-04-27
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Granted: 1929-04-30
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Expires: 1945-04-27
Abstract
No abstract record available.
Inventors
- 👤 Orin D Cunningham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:47
CPC Classifications
C; C10; C10C; C10C3/00; C10C3/02; C10C3/023; Y; Y10; Y10S; Y10S210/00; Y10S210/902; Y10S210/917
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) | 1932-04-29 | 1932-10-29 | 1933-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-04-29 | 1936-10-29 | 1937-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-04-29 | 1940-10-29 | 1941-04-30 | $7700.00 | Window Closed / Lapsed |