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Patent US2989865A successfully refreshed from Google Patents.
US2989865A
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Apparatus for testing the peel strength of joints
Assignee: Parsons Corp
•
Filing: 1958-12-24
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Granted: 1961-06-27
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Expires: 1978-12-24
Abstract
No abstract record available.
Inventors
- 👤 Albert J Belfour
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:54
CPC Classifications
G; G01; G01N; G01N19/00; G01N19/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1991854A
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US2252464A
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US2604783A
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US2751784A
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US2720111A
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US2834205A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-26 | 1964-12-26 | 1965-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-26 | 1968-12-26 | 1969-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-26 | 1972-12-26 | 1973-06-27 | $7700.00 | Window Closed / Lapsed |