US2651532A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clamp for scaffolding tubes and like members
Assignee: Acrow Engineers Ltd
•
Filing: 1947-06-12
•
Granted: 1953-09-08
•
Expires: 1967-06-12
Abstract
No abstract record available.
Inventors
- 👤 Hobbs Archibald Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:02
CPC Classifications
E; E04; E04G; E04G7/00; E04G7/02; E04G7/06; E04G7/12; E04G7/14; E04G7/16; F; F16; F16B; F16B2/00; F16B2/02; F16B2/06; F16B2/065; F16B7/00; F16B7/04; F16B7/0433; Y; Y10; Y10T; Y10T24/00; Y10T24/44; Y10T24/44256; Y10T24/44265
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-07 | 1957-03-09 | 1957-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-07 | 1961-03-09 | 1961-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-07 | 1965-03-09 | 1965-09-08 | $7700.00 | Window Closed / Lapsed |