US2943365A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Felting apparatus
Assignee: Industrial Development Co SAL
•
Filing: 1956-12-03
•
Granted: 1960-07-05
•
Expires: 1976-12-03
Abstract
No abstract record available.
Inventors
- 👤 Harold E Erickson
- 👤 Robert W Riley
- 👤 Dale L Schubert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 07:28
CPC Classifications
B; B27; B27N; B27N3/00; B27N3/08; B27N3/10; B27N3/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US648001A
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US2014947A
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US2165280A
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US2373183A
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US2459924A
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US2462276A
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US2589008A
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US2635301A
Cited
US2693619A
Cited
US2653416A
Cited
US2743758A
Cited
US2780341A
Cited
US2737997A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-05 | 1964-01-04 | 1964-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-05 | 1968-01-04 | 1968-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-05 | 1972-01-04 | 1972-07-05 | $7700.00 | Window Closed / Lapsed |