Patent US3053384A successfully refreshed from Google Patents.
US3053384A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Packaging of sheet abrasive discs
Assignee: Unifrax I LLC
•
Filing: 1959-03-24
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Granted: 1962-09-11
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Expires: 1979-03-24
Abstract
No abstract record available.
Inventors
- 👤 Clare A Loomis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:58
CPC Classifications
B; B24; B24D; B24D13/00; B24D13/02; B24D13/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1590172A
Cited
US2020206A
Cited
US2056724A
Cited
US2088344A
Cited
US2146548A
Cited
US2218832A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-10 | 1966-03-12 | 1966-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-10 | 1970-03-12 | 1970-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-10 | 1974-03-12 | 1974-09-11 | $7700.00 | Window Closed / Lapsed |