US2564019A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bell housing
Assignee: Individual
•
Filing: 1946-11-18
•
Granted: 1951-08-14
•
Expires: 1966-11-18
Abstract
No abstract record available.
Inventors
- 👤 Jr Frank B Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:05
CPC Classifications
B; B60; B60B; B60B35/00; B60B35/12; B60B35/16; B60B35/163; B60B2310/00; B60B2310/30; B60B2310/305; B60B2900/00; B60B2900/10; B60B2900/115; B60B2900/30; B60B2900/321; B60Y; B60Y2200/00; B60Y2200/10; B60Y2200/11; Y; Y10; Y10T; Y10T403/00; Y10T403/53; Y10T403/535
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-13 | 1955-02-12 | 1955-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-13 | 1959-02-12 | 1959-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-13 | 1963-02-12 | 1963-08-14 | $7700.00 | Window Closed / Lapsed |