US2889055A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shelf file
Assignee: Individual
•
Filing: 1954-11-15
•
Granted: 1959-06-02
•
Expires: 1974-11-15
Abstract
No abstract record available.
Inventors
- 👤 Weller Walter
- 👤 Bloomstran Hilmer
- 👤 Mary M Oram
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:52
CPC Classifications
A; A47; A47B; A47B57/00; A47B57/58; B; B42; B42F; B42F17/00; B42F17/02; B42F17/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US862128A
Cited
US1660088A
Cited
US1704365A
Cited
US2222974A
Cited
US2261840A
Cited
US2516122A
Cited
US2491652A
Cited
US2626063A
Cited
US2688409A
Cited
US2658628A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-01 | 1962-12-01 | 1963-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-01 | 1966-12-01 | 1967-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-01 | 1970-12-01 | 1971-06-02 | $7700.00 | Window Closed / Lapsed |