US2561938A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Attachment for holding cross braces to end frame scaffolding
Assignee: PATENT SCAFFOLDING CO Inc
•
Filing: 1949-06-28
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Granted: 1951-07-24
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Expires: 1969-06-28
Abstract
No abstract record available.
Inventors
- 👤 Victor W Meng
- 👤 Huck Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:58
CPC Classifications
E; E04; E04G; E04G7/00; E04G7/30; E04G7/302; E04G7/303; E04G7/304; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/1043; Y10T292/1075; Y10T292/1083; Y10T292/1092; Y10T403/00; Y10T403/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US222998A
Cited
US232655A
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US1360924A
Cited
US949938A
Cited
US1026845A
Cited
US2236439A
Cited
US2467688A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-23 | 1955-01-22 | 1955-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-23 | 1959-01-22 | 1959-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-23 | 1963-01-22 | 1963-07-24 | $7700.00 | Window Closed / Lapsed |