US2800215A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and means for cleaning type
Assignee: CONVERSE PRODUCTS Inc
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Filing: 1955-04-13
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Granted: 1957-07-23
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Expires: 1975-04-13
Abstract
No abstract record available.
Inventors
- 👤 Donald R Converse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:29
CPC Classifications
B; B41; B41J; B41J29/00; B41J29/17; Y; Y10; Y10T; Y10T428/00; Y10T428/14; Y10T428/24; Y10T428/24777; Y10T428/24793; Y10T428/28; Y10T428/2848
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-22 | 1961-01-21 | 1961-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-22 | 1965-01-21 | 1965-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-22 | 1969-01-21 | 1969-07-23 | $7700.00 | Window Closed / Lapsed |