Patent US3776027A successfully refreshed from Google Patents.
Patent US1017029A successfully refreshed from Google Patents.
US1017029A
Expired / Lapsed
US
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Form for tunnel-work.
Assignee: Individual
•
Filing: 1906-11-21
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Granted: 1912-02-13
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Expires: 1926-11-21
Abstract
No abstract record available.
Inventors
- 👤 Edward G Williams
- 👤 Elmer H Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:11
CPC Classifications
F; F16; F16L; F16L1/00; F16L1/024; F16L1/028; F16L1/038; Y; Y10; Y10S; Y10S425/00; Y10S425/126
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) | 1915-02-12 | 1915-08-14 | 1916-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1919-02-12 | 1919-08-14 | 1920-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1923-02-12 | 1923-08-14 | 1924-02-13 | $7700.00 | Window Closed / Lapsed |