US746628A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dowel-pin for conduit-sections.
Assignee: CORNELIUS J FIELD
•
Filing: 1903-07-24
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Granted: 1903-12-08
•
Expires: 1923-07-24
Abstract
No abstract record available.
Inventors
- 👤 Lewis J Doolittle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:48
CPC Classifications
E; E04; E04B; E04B2/00; E04B2/02; E04B2/14; E04B2/16; E04C; E04C1/00; E04C1/39; E04C1/397; E04B2002/0202; E04B2002/0243; E04B2002/0245; Y; Y10; Y10T; Y10T403/00; Y10T403/55
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) | 1906-12-07 | 1907-06-08 | 1907-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1910-12-07 | 1911-06-08 | 1911-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1914-12-07 | 1915-06-08 | 1915-12-08 | $7700.00 | Window Closed / Lapsed |