US3018147A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collapsible table
Assignee: Individual
•
Filing: 1959-07-02
•
Granted: 1962-01-23
•
Expires: 1979-07-02
Abstract
No abstract record available.
Inventors
- 👤 Adrian G Hoek
- 👤 Michael N Vessio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:37
CPC Classifications
A; A47; A47B; A47B3/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US600812A
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US561664A
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US861093A
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US1077826A
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US1169198A
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US1579823A
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US1758005A
Cited
US1653083A
Cited
US1737441A
Cited
US1901174A
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US2393598A
Cited
US2725208A
Cited
US2783108A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-22 | 1965-07-24 | 1966-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-22 | 1969-07-24 | 1970-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-22 | 1973-07-24 | 1974-01-23 | $7700.00 | Window Closed / Lapsed |