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US3027939A
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US
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Assignee: Individual
•
Filing: 1960-03-18
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Granted: 1962-04-03
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Expires: 1980-03-18
Abstract
No abstract record available.
Inventors
- 👤 Sammy R Dumas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:59
CPC Classifications
D; D21; D21H; D21H21/00; D21H21/14; D21H21/40; B; B65; B65H; B65H2301/00; B65H2301/50; B65H2301/51; B65H2301/512; B65H2301/5125; B65H2301/51256; B65H2701/00; B65H2701/10; B65H2701/19; B65H2701/1912
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-02 | 1965-10-02 | 1966-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-02 | 1969-10-02 | 1970-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-02 | 1973-10-02 | 1974-04-03 | $7700.00 | Window Closed / Lapsed |