US2944283A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centering device
Assignee: Individual
•
Filing: 1958-05-19
•
Granted: 1960-07-12
•
Expires: 1978-05-19
Abstract
No abstract record available.
Inventors
- 👤 Melbourne R Lawson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:05
CPC Classifications
B; B29; B29D; B29D30/00; B29D30/06; B29D30/52; B29D30/54; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/4987; Y10T29/49872; Y10T29/53; Y10T29/53657
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) | 1963-07-12 | 1964-01-11 | 1964-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-12 | 1968-01-11 | 1968-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-12 | 1972-01-11 | 1972-07-12 | $7700.00 | Window Closed / Lapsed |