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US2932105A
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Assignee: MCKINLEY Corp
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Filing: 1957-07-10
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Granted: 1960-04-12
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Expires: 1977-07-10
Abstract
No abstract record available.
Inventors
- 👤 Jr William M Hawk
- 👤 Samuel S Hawk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:49
CPC Classifications
G; G09; G09F; G09F23/00; G09F23/06; B; B62; B62B; B62B3/00; B62B3/14; B62B3/1408; B62B3/142
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US782071A
Cited
US976073A
Cited
US1116942A
Cited
US1285579A
Cited
US1513929A
Cited
US1465576A
Cited
US1983878A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-12 | 1963-10-12 | 1964-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-12 | 1967-10-12 | 1968-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-12 | 1971-10-12 | 1972-04-12 | $7700.00 | Window Closed / Lapsed |