Patent US3415484A successfully refreshed from Google Patents.
US3415484A
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US
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Bracing and spacing device for concrete wall forms
Assignee: Dynamit Nobel AG
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Filing: 1965-08-27
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Granted: 1968-12-10
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Expires: 1985-08-27
Abstract
No abstract record available.
Inventors
- 👤 Klaiss Hans-Dieter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 09:15
CPC Classifications
E; E04; E04G; E04G17/00; E04G17/06; E04G17/065; E04G17/0655; E04G17/0658
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR491003A
Cited
GB174458A
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US1667253A
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US1735017A
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US1808912A
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US1950018A
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US2029147A
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US2235442A
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US2292548A
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US2335338A
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US2728127A
Cited
GB927647A
Cited
US3199827A
Cited
FR1352467A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-10 | 1972-06-10 | 1972-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-10 | 1976-06-10 | 1976-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-10 | 1980-06-10 | 1980-12-10 | $7700.00 | Window Closed / Lapsed |