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US2828613A
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US
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Reinforced concrete cribbing
Assignee: Individual
•
Filing: 1955-09-26
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Granted: 1958-04-01
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Expires: 1975-09-26
Abstract
No abstract record available.
Inventors
- 👤 Theron D Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:41
CPC Classifications
E; E04; E04H; E04H7/00; E04H7/22; E04H7/24; E04H7/26; E04H7/28; E02; E02D; E02D29/00; E02D29/02; E02D29/0216
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1109348A
Cited
US1953005A
Cited
US2062851A
Cited
US2092385A
Cited
US2159556A
Cited
US2639587A
Cited
GB569161A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-31 | 1961-09-30 | 1962-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-31 | 1965-09-30 | 1966-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-31 | 1969-09-30 | 1970-04-01 | $7700.00 | Window Closed / Lapsed |