Patent US709395A successfully refreshed from Google Patents.
US709395A
Expired / Lapsed
US
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Drain-tile protector.
Assignee: Individual
•
Filing: 1902-03-15
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Granted: 1902-09-16
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Expires: 1922-03-15
Abstract
No abstract record available.
Inventors
- 👤 John W Cook Sr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:03
CPC Classifications
F; F15; F15B; F15B13/00; F15B13/02; F15B13/06; F15B13/08; F15B13/0803; F15B13/0846; F15B13/0857; Y; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/6966; Y10T137/7722; Y10T137/7837; Y10T137/7898; Y10T137/7902; Y10T137/8376
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) | 1905-09-15 | 1906-03-17 | 1906-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1909-09-15 | 1910-03-17 | 1910-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1913-09-15 | 1914-03-17 | 1914-09-16 | $7700.00 | Window Closed / Lapsed |