Patent US3444599A successfully refreshed from Google Patents.
US3444599A
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Assignee: MAURICE E AMON
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Filing: 1968-02-21
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Granted: 1969-05-20
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Expires: 1988-02-21
Abstract
No abstract record available.
Inventors
- 👤 Maurice E Amon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:28
CPC Classifications
G; G10; G10G; G10G5/00; G10G5/005; A; A47; A47H; A47H13/00; A47H13/04; F; F16; F16B; F16B45/00; F16B45/005; F16B45/008; F16B45/02; F16B45/022; F16B45/036
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) | 1972-05-19 | 1972-11-18 | 1973-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-19 | 1976-11-18 | 1977-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-19 | 1980-11-18 | 1981-05-20 | $7700.00 | Window Closed / Lapsed |