US3218649A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protective gown
Assignee: Individual
•
Filing: 1963-10-14
•
Granted: 1965-11-23
•
Expires: 1983-10-14
Abstract
No abstract record available.
Inventors
- 👤 Esther L Ricter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:57
CPC Classifications
A; A41; A41D; A41D13/00; A41D13/12; A41D13/1209; A41D2200/00; A41D2200/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US895510A
Cited
US1489046A
Cited
GB335317A
Cited
US2172162A
Cited
US2425402A
Cited
US2473740A
Cited
US2668294A
Cited
US2686914A
Cited
US2807022A
Cited
US2902734A
Cited
US3156927A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-22 | 1969-05-24 | 1969-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-22 | 1973-05-24 | 1973-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-22 | 1977-05-24 | 1977-11-23 | $7700.00 | Window Closed / Lapsed |