US2573791A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat applying bandage
Assignee: Individual
•
Filing: 1947-04-19
•
Granted: 1951-11-06
•
Expires: 1967-04-19
Abstract
No abstract record available.
Inventors
- 👤 John N M Howells
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:44
CPC Classifications
A; A61; A61F; A61F7/00; A61F7/02; A61F7/03; A61F7/032; A61F7/034; A61F2007/0001; A61F2007/036; A61F2007/038; A61F13/00; A61F2013/00089; A61F2013/00187; A61F2013/00361; A61F2013/00902; A61F2013/00919; A61F13/15; A61F13/84; A61F2013/8476
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1612267A
Cited
GB290212A
Cited
GB316878A
Cited
US2076050A
Cited
GB431764A
Cited
GB431255A
Cited
FR813305A
Cited
GB553587A
Cited
US2340142A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-05 | 1955-05-07 | 1955-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-05 | 1959-05-07 | 1959-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-05 | 1963-05-07 | 1963-11-06 | $7700.00 | Window Closed / Lapsed |