Patent US5124371A successfully refreshed from Google Patents.
US2982454A
Expired / Lapsed
US
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Combination device for personal use
Assignee: Individual
•
Filing: 1957-09-06
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Granted: 1961-05-02
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Expires: 1977-09-06
Abstract
No abstract record available.
Inventors
- 👤 Donald M Wolberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:00
CPC Classifications
A; A24; A24F; A24F47/00; Y; Y10; Y10T; Y10T70/00; Y10T70/80; Y10T70/8432; Y10T70/8676
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1783346A
Cited
US1872753A
Cited
US2029696A
Cited
US1994546A
Cited
US2468959A
Cited
US2618419A
Cited
US2706902A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-01 | 1964-10-31 | 1965-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-01 | 1968-10-31 | 1969-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-01 | 1972-10-31 | 1973-05-02 | $7700.00 | Window Closed / Lapsed |