Patent US1973737A successfully refreshed from Google Patents.
US1973737A
Expired / Lapsed
US
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Method and apparatus for making catamenial bandages
Assignee: Individual
•
Filing: 1929-01-12
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Granted: 1934-09-18
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Expires: 1949-01-12
Abstract
No abstract record available.
Inventors
- 👤 Harrison R Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:48
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/15577; A61F13/15707; A61F13/15747
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1937-09-17 | 1938-03-19 | 1938-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-09-17 | 1942-03-19 | 1942-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-09-17 | 1946-03-19 | 1946-09-18 | $7700.00 | Window Closed / Lapsed |