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Patent US1578885A successfully refreshed from Google Patents.
US1578885A
Expired / Lapsed
US
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Curb box and cock support
Assignee: CHAMPION SPECIALTY Co
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Filing: 1925-04-11
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Granted: 1926-03-30
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Expires: 1945-04-11
Abstract
No abstract record available.
Inventors
- 👤 John R Flinn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:31
CPC Classifications
E; E03; E03B; E03B9/00; E03B9/02; E03B9/08; E03B9/10; Y; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/6966; Y10T137/6991; Y10T137/6995; Y10T137/6999; Y10T137/7002
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) | 1929-03-29 | 1929-09-28 | 1930-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-03-29 | 1933-09-28 | 1934-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-03-29 | 1937-09-28 | 1938-03-30 | $7700.00 | Window Closed / Lapsed |