US2547211A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Work stop
Assignee: Individual
•
Filing: 1946-01-09
•
Granted: 1951-04-03
•
Expires: 1966-01-09
Abstract
No abstract record available.
Inventors
- 👤 Stanley H Holmes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:57
CPC Classifications
B; B23; B23Q; B23Q3/00; B23Q3/02; B23Q3/06; B23Q2703/00; B23Q2703/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US78620A
Cited
US664688A
Cited
GB190403723A
Cited
US1125207A
Cited
US1242182A
Cited
GB230138A
Cited
US1788652A
Cited
US2302813A
Cited
US2392310A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-02 | 1954-10-02 | 1955-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-02 | 1958-10-02 | 1959-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-02 | 1962-10-02 | 1963-04-03 | $7700.00 | Window Closed / Lapsed |