US2993254A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Scaffold clamp
Assignee: Individual
•
Filing: 1958-09-02
•
Granted: 1961-07-25
•
Expires: 1978-09-02
Abstract
No abstract record available.
Inventors
- 👤 Charles O Larson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:35
CPC Classifications
E; E04; E04G; E04G7/00; E04G7/02; E04G7/06; E04G7/24; Y; Y10; Y10T; Y10T24/00; Y10T24/14; Y10T24/1412; Y10T24/1433; Y10T24/1435; Y10T24/1437; Y10T24/44; Y10T24/44966; Y10T24/44974; Y10T403/00; Y10T403/71; Y10T403/7152; Y10T403/7171
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US857524A
Cited
US903996A
Cited
GB191106829A
Cited
US1296515A
Cited
US2096707A
Cited
US2218769A
Cited
US2429544A
Cited
US2635320A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-24 | 1965-01-23 | 1965-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-24 | 1969-01-23 | 1969-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-24 | 1973-01-23 | 1973-07-25 | $7700.00 | Window Closed / Lapsed |