US2930199A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of anchoring bolts
Assignee: Individual
•
Filing: 1955-12-05
•
Granted: 1960-03-29
•
Expires: 1975-12-05
Abstract
No abstract record available.
Inventors
- 👤 Jarund Harry Sigurd Valdemar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:06
CPC Classifications
E; E21; E21D; E21D20/00; E21D20/02; E21D20/021; F; F16; F16B; F16B13/00; F16B13/14; F16B13/141; Y; Y10; Y10S; Y10S411/00; Y10S411/918
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US575282A
Cited
US1007334A
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US1104544A
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US1883196A
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US2149719A
Cited
GB614463A
Cited
US2667037A
Cited
US2724442A
Cited
FR1085192A
Cited
US2741938A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-29 | 1963-09-28 | 1964-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-29 | 1967-09-28 | 1968-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-29 | 1971-09-28 | 1972-03-29 | $7700.00 | Window Closed / Lapsed |