Patent US3457016A successfully refreshed from Google Patents.
US3457016A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Waxer
Assignee: ROLAND C GOTBERG
•
Filing: 1967-04-25
•
Granted: 1969-07-22
•
Expires: 1987-04-25
Abstract
No abstract record available.
Inventors
- 👤 Roland C Gotberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:11
CPC Classifications
A; A47; A47L; A47L13/00; A47L13/10; A47L13/28; A47L13/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB280171A
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US1749326A
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US2047199A
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US2162310A
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US2228573A
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US2768401A
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US2979756A
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US3099028A
Cited
US3094152A
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US3208094A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-21 | 1973-01-20 | 1973-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-21 | 1977-01-20 | 1977-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-21 | 1981-01-20 | 1981-07-22 | $7700.00 | Window Closed / Lapsed |