US2505891A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diaper protector
Assignee: Individual
•
Filing: 1946-10-18
•
Granted: 1950-05-02
•
Expires: 1966-10-18
Abstract
No abstract record available.
Inventors
- 👤 Jerome F Grogan
- 👤 Dorothy A Grogan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 02:00
CPC Classifications
A; A41; A41B; A41B13/00; A41B13/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US219820A
Cited
US348181A
Cited
US584490A
Cited
US1195904A
Cited
US1169500A
Cited
FR514933A
Cited
FR26255E
Cited
US1669188A
Cited
US1928330A
Cited
US2054310A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-05-01 | 1953-10-31 | 1954-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-01 | 1957-10-31 | 1958-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-01 | 1961-10-31 | 1962-05-02 | $7700.00 | Window Closed / Lapsed |