US2726902A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic locks for sectional scaffolding
Assignee: PATENT SCAFFOLDING CO Inc
•
Filing: 1953-08-10
•
Granted: 1955-12-13
•
Expires: 1973-08-10
Abstract
No abstract record available.
Inventors
- 👤 Arthur C Borgman
- 👤 William B Sheard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:11
CPC Classifications
E; E04; E04G; E04G7/00; E04G7/30; E04G7/302; E04G7/303; E04G7/305; Y; Y10; Y10T; Y10T403/00; Y10T403/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2635717A
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US2681834A
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US2686086A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-12-12 | 1959-06-13 | 1959-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-12-12 | 1963-06-13 | 1963-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-12-12 | 1967-06-13 | 1967-12-13 | $7700.00 | Window Closed / Lapsed |