US3015144A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1959-06-04
•
Granted: 1962-01-02
•
Expires: 1979-06-04
Abstract
No abstract record available.
Inventors
- 👤 George E Leonard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:55
CPC Classifications
B; B28; B28B; B28B7/00; B28B7/0002; B28B7/0014; B28B7/26; B28B7/263; E; E04; E04G; E04G17/00; E04G17/04; E04G17/045; Y; Y10; Y10S; Y10S425/00; Y10S425/107; Y10S425/129; Y10T; Y10T292/00; Y10T292/08; Y10T292/1043; Y10T292/1075; Y10T292/1083; Y10T292/1089
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1976913A
Cited
US2297899A
Cited
US2761191A
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US2760249A
Cited
US2819863A
Cited
US2904870A
Cited
US2782483A
Cited
US2845685A
Cited
US2879576A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-01 | 1965-07-03 | 1966-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-01 | 1969-07-03 | 1970-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-01 | 1973-07-03 | 1974-01-02 | $7700.00 | Window Closed / Lapsed |