Patent US3434273A successfully refreshed from Google Patents.
US3434273A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tape cleaning apparatus
Assignee: GEORGE V LOVELL
•
Filing: 1967-08-29
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Granted: 1969-03-25
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Expires: 1987-08-29
Abstract
No abstract record available.
Inventors
- 👤 George V Lovell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:04
CPC Classifications
D; D01; D01H; D01H1/00; D01H1/14; D01H1/20; D01H1/24; D01H1/241
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US575520A
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US577503A
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US584238A
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US602000A
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US603654A
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GB189711606A
Cited
GB189724334A
Cited
US708061A
Cited
US1252180A
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US1720137A
Cited
US2627715A
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US3263407A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-24 | 1972-09-23 | 1973-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-24 | 1976-09-23 | 1977-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-24 | 1980-09-23 | 1981-03-25 | $7700.00 | Window Closed / Lapsed |