US3397757A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination waste disposal and step stool device
Assignee: HAROLD M GREER
•
Filing: 1966-12-09
•
Granted: 1968-08-20
•
Expires: 1986-12-09
Abstract
No abstract record available.
Inventors
- 👤 Harold M Greer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:28
CPC Classifications
A; A47; A47C; A47C12/00; A47C12/02; A47B; A47B77/00; A47B77/04; A47B77/10; B; B65; B65F; B65F1/00; B65F1/14; B65F1/1426
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1681879A
Cited
US2900011A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-20 | 1972-02-19 | 1972-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-20 | 1976-02-19 | 1976-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-20 | 1980-02-19 | 1980-08-20 | $7700.00 | Window Closed / Lapsed |