Patent US3533896A successfully refreshed from Google Patents.
US3533896A
Expired / Lapsed
US
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Anchoring device of thermoplastic resin
Assignee: EIDP Inc
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Filing: 1967-03-27
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Granted: 1970-10-13
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Expires: 1987-03-27
Abstract
No abstract record available.
Inventors
- 👤 Martval J Hartig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:47
CPC Classifications
E; E04; E04C; E04C2/00; E04C2/02; E04C2/26; B; B29; B29C; B29C37/00; B29C37/0078; B29C37/0082; B29C43/00; B29C43/22; B29C43/222; B29C48/00; B29C48/25; B29C48/30; B29C48/35; B29C67/00; B29C67/0044; E01; E01F; E01F9/00; E01F9/50; E01F9/576; E01F9/578; E04C2/04; E04C2/043; B29C48/03; B29C48/07; B29C48/08; B29C48/12; B29C48/13; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24008; Y10T428/24017; Y10T428/24149; Y10T428/24174; Y10T428/24182; Y10T428/2419; Y10T428/24198; Y10T428/24273; Y10T428/24322; Y10T428/24331
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190513055A
Cited
US2573482A
Cited
US2816323A
Cited
US2836528A
Cited
US3043730A
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US3338014A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-12 | 1974-04-13 | 1974-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-12 | 1978-04-13 | 1978-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-12 | 1982-04-13 | 1982-10-13 | $7700.00 | Window Closed / Lapsed |