US2315068A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Convex faced gear
Assignee: Mack Manufacturing Corp
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Filing: 1939-08-28
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Granted: 1943-03-30
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Expires: 1959-08-28
Abstract
No abstract record available.
Inventors
- 👤 Joseph L Matthews
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:59
CPC Classifications
B; B23; B23F; B23F19/00; B23F19/002; B23F19/007; B23F1/00; B23F1/06; B23F23/00; B23F23/12; B23F23/1237; B23F23/1262; F; F16; F16H; F16H55/00; F16H55/02; F16H55/08; F16H55/0806; F16H55/0886; Y; Y10; Y10T; Y10T409/00; Y10T409/10; Y10T409/100159; Y10T409/100318; Y10T409/101431; Y10T409/10159; Y10T409/102544; Y10T409/102703; Y10T409/102862; Y10T409/10318; Y10T74/00; Y10T74/19; Y10T74/19949; Y10T74/19963; Y10T74/19972
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) | 1946-03-29 | 1946-09-28 | 1947-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-03-29 | 1950-09-28 | 1951-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-03-29 | 1954-09-28 | 1955-03-30 | $7700.00 | Window Closed / Lapsed |