Patent US2846761A successfully refreshed from Google Patents.
US2846761A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Repair tables
Assignee: Individual
•
Filing: 1953-03-16
•
Granted: 1958-08-12
•
Expires: 1973-03-16
Abstract
No abstract record available.
Inventors
- 👤 Evans Charles Howard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:51
CPC Classifications
B; B25; B25H; B25H1/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US456164A
Cited
US476754A
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US854984A
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US1164395A
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US1273981A
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US1600835A
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US1792612A
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US1834294A
Cited
FR747480A
Cited
US1969310A
Cited
US2567384A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-11 | 1962-02-10 | 1962-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-11 | 1966-02-10 | 1966-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-11 | 1970-02-10 | 1970-08-12 | $7700.00 | Window Closed / Lapsed |