Patent US3295286A successfully refreshed from Google Patents.
US3295286A
Expired / Lapsed
US
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Cementitious slab with bolt means
Assignee: OI Glass Inc
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Filing: 1964-12-30
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Granted: 1967-01-03
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Expires: 1984-12-30
Abstract
No abstract record available.
Inventors
- 👤 Wilbur A Schaich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:02
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/02; E04B1/04; E04B1/06; E04B1/043
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE437873C
Cited
US707201A
Cited
US1214964A
Cited
GB195570A
Cited
AT134523B
Cited
US2255511A
Cited
US2341757A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |