US3491759A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Post-obstetrical catamenial pad
Assignee: Individual
•
Filing: 1967-04-20
•
Granted: 1970-01-27
•
Expires: 1987-04-20
Abstract
No abstract record available.
Inventors
- 👤 Robert Samuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:11
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/84; A61F13/8405; A61F13/51; A61F13/511; A61F13/56; A61F13/64; A61F2013/15008; A61F2013/15048; A61F2013/15113; A61F13/513; A61F2013/51355; A61F13/514; A61F13/51401; A61F2013/51409; A61F2013/5694; A61F2013/8476
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US632727A
Cited
US2331271A
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US2333839A
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US2534885A
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US2852026A
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US3116736A
Cited
US3375826A
Cited
US3294091A
Cited
US3403681A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-26 | 1973-07-28 | 1974-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-26 | 1977-07-28 | 1978-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-26 | 1981-07-28 | 1982-01-27 | $7700.00 | Window Closed / Lapsed |