Patent US2643969A successfully refreshed from Google Patents.
US2643969A
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US
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Diaper
Assignee: Homemakers Products Corp
•
Filing: 1947-04-17
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Granted: 1953-06-30
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Expires: 1967-04-17
Abstract
No abstract record available.
Inventors
- 👤 Thomas J Mahon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:44
CPC Classifications
A; A41; A41B; A41B17/00; A01; A01N; A01N33/00; A01N33/02; A01N33/12; A61; A61L; A61L15/00; A61L15/16; A61L15/20; A61L15/42; A61L15/46
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) | 1956-06-29 | 1956-12-29 | 1957-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-29 | 1960-12-29 | 1961-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-29 | 1964-12-29 | 1965-06-30 | $7700.00 | Window Closed / Lapsed |