Patent US3520401A successfully refreshed from Google Patents.
US3520401A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disposable surgical scrub sponge dispenser
Assignee: Wyeth Holdings LLC
•
Filing: 1968-08-05
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Granted: 1970-07-14
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Expires: 1988-08-05
Abstract
No abstract record available.
Inventors
- 👤 Ferdinand Joseph Richter
- 👤 Jack Marks Granowitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:51
CPC Classifications
B; B65; B65D; B65D77/00; B65D77/04; B65D77/0413; B65D83/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2005924A
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US2067749A
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US2840080A
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US2906642A
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US2999265A
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US3229813A
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US3092249A
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US3171820A
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US3377643A
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US3306437A
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US7990948B2
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-07-13 | 1974-01-12 | 1974-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-13 | 1978-01-12 | 1978-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-13 | 1982-01-12 | 1982-07-14 | $7700.00 | Window Closed / Lapsed |