Patent US2991958A successfully refreshed from Google Patents.
US2991958A
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US
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Reel package
Assignee: Individual
•
Filing: 1958-07-31
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Granted: 1961-07-11
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Expires: 1978-07-31
Abstract
No abstract record available.
Inventors
- 👤 Stephen L Eifrid
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:31
CPC Classifications
B; B65; B65H; B65H49/00; B65H49/18; B65H49/20; B65H49/32; B65H49/322; B65D; B65D85/00; B65D85/67; B65D85/671; B65D85/672; B65H75/00; B65H75/02; B65H75/04; B65H75/08; B65H75/14; B65H2701/00; B65H2701/50; B65H2701/51; B65H2701/511; B65H2701/5112
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2048307A
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US2237920A
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US2373092A
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US2366226A
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US2822094A
Cited
FR1096469A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-10 | 1965-01-09 | 1965-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-10 | 1969-01-09 | 1969-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-10 | 1973-01-09 | 1973-07-11 | $7700.00 | Window Closed / Lapsed |