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US3261272A
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US
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Curb forming machine
Assignee: Renner Co
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Filing: 1963-06-11
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Granted: 1966-07-19
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Expires: 1983-06-11
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles E Jennings
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:12
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/48; E01C19/4886; E01C19/4893; E01C23/00; E01C23/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2123989A
Cited
US2225015A
Cited
US2707422A
Cited
US3022713A
Cited
US2945278A
Cited
US3053156A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-18 | 1970-01-17 | 1970-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-18 | 1974-01-17 | 1974-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-18 | 1978-01-17 | 1978-07-19 | $7700.00 | Window Closed / Lapsed |