Patent US2016217A successfully refreshed from Google Patents.
Patent US3416415A successfully refreshed from Google Patents.
US3416415A
Expired / Lapsed
US
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Method and apparatus for insertion of joint former material in uncured concrete
Assignee: Edoco Technical Products Inc
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Filing: 1967-06-26
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Granted: 1968-12-17
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Expires: 1987-06-26
Abstract
No abstract record available.
Inventors
- 👤 Worson Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:38
CPC Classifications
E; E01; E01C; E01C23/00; E01C23/02; E01C23/026; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53657
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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Cited
US1997216A
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US1996153A
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US2045256A
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US2068035A
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US2354586A
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US2761199A
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US3007240A
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US3270636A
Cited
US3200482A
Cited
US3364828A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-17 | 1972-06-17 | 1972-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-17 | 1976-06-17 | 1976-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-17 | 1980-06-17 | 1980-12-17 | $7700.00 | Window Closed / Lapsed |