Patent US3778823A successfully refreshed from Google Patents.
US2992789A
Expired / Lapsed
US
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Reels
Assignee: Pako Corp
•
Filing: 1958-01-20
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Granted: 1961-07-18
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Expires: 1978-01-20
Abstract
No abstract record available.
Inventors
- 👤 Sardeson Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:06
CPC Classifications
B; B65; B65H; B65H75/00; B65H75/02; B65H75/04; B65H75/08; B65H75/14; B65H2701/00; B65H2701/50; B65H2701/51; B65H2701/515; B65H2701/5152; B65H2701/51524
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1120369A
Cited
US1482912A
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US1898658A
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US1987990A
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US2705573A
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US2720179A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-17 | 1965-01-16 | 1965-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-17 | 1969-01-16 | 1969-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-17 | 1973-01-16 | 1973-07-18 | $7700.00 | Window Closed / Lapsed |