Patent US4075977A successfully refreshed from Google Patents.
US986847A
Expired / Lapsed
US
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Cover for traps and clean-outs for soil-pipes.
Assignee: Individual
•
Filing: 1910-09-02
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Granted: 1911-03-14
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Expires: 1930-09-02
Abstract
No abstract record available.
Inventors
- 👤 Louis Nair
- 👤 Frank Nair
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:55
CPC Classifications
B; B60; B60K; B60K15/00; B60K15/03; B60K15/04; B60K15/0406; B65; B65D; B65D2543/00; B65D2543/00009; B65D2543/00018; B65D2543/00064; B65D2543/00074; B65D2543/00092; Y; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/6966; Y10T137/6969; Y10T137/6988; Y10T137/6991; Y10T137/6995; Y10T137/7021; Y10T292/00; Y10T292/42
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) | 1914-03-13 | 1914-09-12 | 1915-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1918-03-13 | 1918-09-12 | 1919-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1922-03-13 | 1922-09-12 | 1923-03-14 | $7700.00 | Window Closed / Lapsed |