Patent US2995872A successfully refreshed from Google Patents.
US2995872A
Expired / Lapsed
US
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Resilient clip and installation thereof
Assignee: Penn Metal Co Inc
•
Filing: 1958-09-23
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Granted: 1961-08-15
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Expires: 1978-09-23
Abstract
No abstract record available.
Inventors
- 👤 Barker Ola Mae
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:34
CPC Classifications
E; E04; E04B; E04B2/00; E04B2/84; E04B2/842; E04B2/845; E04B2/72; E04B2/723
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US644938A
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US1024260A
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US1130722A
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US1962906A
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US1935536A
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US2039382A
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US1938680A
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US2026117A
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US2082578A
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US2271472A
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US2453980A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-14 | 1965-02-13 | 1965-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-14 | 1969-02-13 | 1969-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-14 | 1973-02-13 | 1973-08-15 | $7700.00 | Window Closed / Lapsed |