US2918840A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anchor bolt having sleeves with inclined ends
Assignee: Individual
•
Filing: 1955-02-04
•
Granted: 1959-12-29
•
Expires: 1975-02-04
Abstract
No abstract record available.
Inventors
- 👤 Roesler Daniel Pascoe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:56
CPC Classifications
F; F16; F16B; F16B13/00; F16B13/04; F16B13/08; F16B13/0891; E; E21; E21D; E21D21/00; E21D21/0026; E21D21/0046; E21D21/008
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US79397A
Cited
GB189704779A
Cited
US900462A
Cited
US1436763A
Cited
US1982932A
Cited
US2051251A
Cited
US2125211A
Cited
GB546984A
Cited
US2365372A
Cited
US2481142A
Cited
US2525736A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-28 | 1963-06-29 | 1963-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-28 | 1967-06-29 | 1967-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-28 | 1971-06-29 | 1971-12-29 | $7700.00 | Window Closed / Lapsed |