Patent US5188823A successfully refreshed from Google Patents.
US2567926A
Expired / Lapsed
US
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Tubular supporting member
Assignee: Individual
•
Filing: 1946-03-01
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Granted: 1951-09-18
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Expires: 1966-03-01
Abstract
No abstract record available.
Inventors
- 👤 Milton S Dunkelberger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:49
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/10; A61F13/104; A61F13/105; A61B; A61B42/00; A61B42/50; A61F6/00; A61F6/02; A61F6/04; G; G01; G01M; G01M3/00; G01M3/02; G01M3/26; G01M3/32; G01M3/3218
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-09-17 | 1955-03-19 | 1955-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-17 | 1959-03-19 | 1959-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-17 | 1963-03-19 | 1963-09-18 | $7700.00 | Window Closed / Lapsed |