Patent US2750944A successfully refreshed from Google Patents.
US2750944A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Absorbent bandage
Assignee: Individual
•
Filing: 1954-09-27
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Granted: 1956-06-19
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Expires: 1974-09-27
Abstract
No abstract record available.
Inventors
- 👤 Duane H Tollstrup
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:17
CPC Classifications
A; A61; A61L; A61L15/00; A61L15/16; A61L15/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
16 words
AN ABSORBENT BANDAGE COMPRISING FROM 50% TO 95% COTTON FIBERS AND FROM 5% TO 50% BENTONITE.
Claim 2
Dependent Claim
16 words
AN ABSORBENT BANDAGE COMPRISING FROM 50% TO 95% COTTON FIBERS AND FROM 5% TO 50% BENTONITE.
References Cited (Backward Citations)
US2331271A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-19 | 1959-12-19 | 1960-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-19 | 1963-12-19 | 1964-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-19 | 1967-12-19 | 1968-06-19 | $7700.00 | Window Closed / Lapsed |