US2650120A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Scaffold connection
Assignee: Universal Manufacturing Corp
•
Filing: 1951-02-24
•
Granted: 1953-08-25
•
Expires: 1971-02-24
Abstract
No abstract record available.
Inventors
- 👤 John A Kirkpatrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:46
CPC Classifications
E; E04; E04G; E04G7/00; E04G7/30; E04G7/301; E04G7/02; E04G7/06; E04G7/20; Y; Y10; Y10T; Y10T403/00; Y10T403/60; Y10T403/608
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1253511A
Cited
US1312485A
Cited
US1406268A
Cited
US1844410A
Cited
US2262939A
Cited
US2473388A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-24 | 1957-02-23 | 1957-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-24 | 1961-02-23 | 1961-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-24 | 1965-02-23 | 1965-08-25 | $7700.00 | Window Closed / Lapsed |