US2586848A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary disk platen
Assignee: 3M Co
•
Filing: 1945-07-19
•
Granted: 1952-02-26
•
Expires: 1965-07-19
Abstract
No abstract record available.
Inventors
- 👤 Theodore J Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:32
CPC Classifications
B; B24; B24B; B24B21/00; B24B21/04; B24B21/06; B24B21/08; E; E01; E01B; E01B31/00; E01B31/02; E01B31/12; E01B31/17; E01B31/175
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US685328A
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US891251A
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US1036783A
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US910634A
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US1043194A
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US1064572A
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US2232149A
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US2195340A
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DE695453C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-25 | 1955-08-27 | 1956-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-25 | 1959-08-27 | 1960-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-25 | 1963-08-27 | 1964-02-26 | $7700.00 | Window Closed / Lapsed |