Patent US5521602A successfully refreshed from Google Patents.
US1979899A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diaper and the like
Assignee: Individual
•
Filing: 1932-08-25
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Granted: 1934-11-06
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Expires: 1952-08-25
Abstract
No abstract record available.
Inventors
- 👤 Robert J O'brien
- 👤 Abraham A Rubin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:55
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/51; A61F13/514; A61F13/51496; A61F13/15203; A61F13/15211; A61F13/505; A61F13/51401; A61F13/51405; A61F13/84; A61F2013/8497
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) | 1937-11-05 | 1938-05-07 | 1938-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-11-05 | 1942-05-07 | 1942-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-11-05 | 1946-05-07 | 1946-11-06 | $7700.00 | Window Closed / Lapsed |