Patent US2919645A successfully refreshed from Google Patents.
US2919645A
Expired / Lapsed
US
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Hand stamp
Assignee: SC Johnson and Son Inc
•
Filing: 1957-08-29
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Granted: 1960-01-05
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Expires: 1977-08-29
Abstract
No abstract record available.
Inventors
- 👤 Leeds Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:19
CPC Classifications
B; B41; B41K; B41K1/00; B41K1/02; B41K1/006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US204421A
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US210457A
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US732601A
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GB632550A
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US2777824A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-04 | 1963-07-06 | 1964-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-04 | 1967-07-06 | 1968-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-04 | 1971-07-06 | 1972-01-05 | $7700.00 | Window Closed / Lapsed |