US3407414A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disposable bedpad
Assignee: HELEN URSULA BURNS
•
Filing: 1966-10-03
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Granted: 1968-10-29
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Expires: 1986-10-03
Abstract
No abstract record available.
Inventors
- 👤 Burns Willis Edwin
- 👤 Burns Helen Ursula
- 👤 Burns Judith Ann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:33
CPC Classifications
A; A61; A61F; A61F5/00; A61F5/48; A61F5/485; A61F13/00; A61F13/15; A61F13/53; A61F13/534; A61F13/539; A61F2013/53445; A61F2013/53908; A61F13/56; A61F2013/5661; A61F2013/5666; A61F2013/5672
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1897521A
Cited
US2779035A
Cited
US3065751A
Cited
US2982976A
Cited
US3070096A
Cited
US3113326A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-29 | 1972-04-29 | 1972-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-29 | 1976-04-29 | 1976-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-29 | 1980-04-29 | 1980-10-29 | $7700.00 | Window Closed / Lapsed |