US3024930A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable storage and dispensing silo for bulk dry cement
Assignee: Individual
•
Filing: 1957-10-28
•
Granted: 1962-03-13
•
Expires: 1977-10-28
Abstract
No abstract record available.
Inventors
- 👤 Royal W Sims
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:00
CPC Classifications
B; B65; B65D; B65D88/00; B65D88/26; B65D88/30; B28; B28C; B28C7/00; B28C7/04; B28C7/0481; B28C7/0486; B28C7/049; B60; B60P; B60P1/00; B60P1/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1848569A
Cited
US2048877A
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US2347437A
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US2528679A
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US2524948A
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US2487343A
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US2679322A
Cited
US2694496A
Cited
US2739804A
Cited
US2701653A
Cited
US2886189A
Cited
US2880890A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-12 | 1965-09-11 | 1966-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-12 | 1969-09-11 | 1970-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-12 | 1973-09-11 | 1974-03-13 | $7700.00 | Window Closed / Lapsed |