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US2776524A
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Assignee: Individual
•
Filing: 1955-01-04
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Granted: 1957-01-08
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Expires: 1975-01-04
Abstract
No abstract record available.
Inventors
- 👤 George A Healis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:48
CPC Classifications
A; A63; A63H; A63H1/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US615930A
Cited
US1115863A
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US1462221A
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US1639526A
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US2177878A
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US2432774A
Cited
US2611995A
Cited
FR1025678A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-08 | 1960-07-09 | 1961-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-08 | 1964-07-09 | 1965-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-08 | 1968-07-09 | 1969-01-08 | $7700.00 | Window Closed / Lapsed |