Patent US740204A successfully refreshed from Google Patents.
US740204A
Expired / Lapsed
US
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Etching-machine.
Assignee: WALTER C FISHER
•
Filing: 1903-06-04
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Granted: 1903-09-29
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Expires: 1923-06-04
Abstract
No abstract record available.
Inventors
- 👤 Willard G Thorpe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:14
CPC Classifications
A; A47; A47L; A47L15/00; A47L15/14; A47L15/18; A47L15/22; A47L15/23
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) | 1906-09-28 | 1907-03-30 | 1907-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1910-09-28 | 1911-03-30 | 1911-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1914-09-28 | 1915-03-30 | 1915-09-29 | $7700.00 | Window Closed / Lapsed |