Patent US2519740A successfully refreshed from Google Patents.
US2519740A
Expired / Lapsed
US
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Combination conventional and ball point tooth comb
Assignee: Individual
•
Filing: 1948-02-06
•
Granted: 1950-08-22
•
Expires: 1968-02-06
Abstract
No abstract record available.
Inventors
- 👤 Call George Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:11
CPC Classifications
A; A45; A45D; A45D24/00; A45D24/22; A45D24/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1664168A
Cited
US1667631A
Cited
US2122580A
Cited
US2249163A
Cited
US2258841A
Cited
US2409847A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-08-21 | 1954-02-20 | 1954-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-21 | 1958-02-20 | 1958-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-21 | 1962-02-20 | 1962-08-22 | $7700.00 | Window Closed / Lapsed |