Patent US684604A successfully refreshed from Google Patents.
US684604A
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Conduit-pipe.
Assignee: ASPHALT PAPER PIPE Co
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Filing: 1901-03-29
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Granted: 1901-10-15
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Expires: 1921-03-29
Abstract
No abstract record available.
Inventors
- 👤 Albert S Dixon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:19
CPC Classifications
F; F16; F16L; F16L9/00; F16L9/12; F16L9/133; B; B32; B32B; B32B27/00; Y; Y10; Y10S; Y10S118/00; Y10S118/13
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) | 1904-10-14 | 1905-04-15 | 1905-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1908-10-14 | 1909-04-15 | 1909-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1912-10-14 | 1913-04-15 | 1913-10-15 | $7700.00 | Window Closed / Lapsed |