US2725958A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bumper block
Assignee: FLEXICORE Co OF COLORADO
•
Filing: 1953-03-16
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Granted: 1955-12-06
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Expires: 1973-03-16
Abstract
No abstract record available.
Inventors
- 👤 George S Porter
- 👤 William W Wyatt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:10
CPC Classifications
B; B60; B60T; B60T3/00; E; E01; E01F; E01F15/00; E01F15/02; E01F15/08; E01F15/081; E01F15/083
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA481831A
Cited
US936854A
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US1521497A
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US1694316A
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US1922462A
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US2522104A
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US2655225A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-12-05 | 1959-06-06 | 1959-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-12-05 | 1963-06-06 | 1963-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-12-05 | 1967-06-06 | 1967-12-06 | $7700.00 | Window Closed / Lapsed |