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US3440934A
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Method and joint structure in monolithically-poured concrete
Assignee: ROBERT F DILL
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Filing: 1967-04-27
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Granted: 1969-04-29
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Expires: 1987-04-27
Abstract
No abstract record available.
Inventors
- 👤 Robert F Dill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:45
CPC Classifications
E; E01; E01C; E01C11/00; E01C11/02; E01C11/04; E01C11/10; E01C11/106; E01C23/00; E01C23/02; E01C23/026; E02; E02B; E02B3/00; E02B3/16; E04; E04B; E04B1/00; E04B1/62; E04B1/66; E04B1/68; E04B1/6807
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2695513A
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US2901904A
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US2961803A
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US3023681A
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US3274906A
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US3269282A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-28 | 1972-10-28 | 1973-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-28 | 1976-10-28 | 1977-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-28 | 1980-10-28 | 1981-04-29 | $7700.00 | Window Closed / Lapsed |