Patent US2363567A successfully refreshed from Google Patents.
US2363567A
Expired / Lapsed
US
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Cover plate
Assignee: Individual
•
Filing: 1943-06-12
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Granted: 1944-11-28
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Expires: 1963-06-12
Abstract
No abstract record available.
Inventors
- 👤 Henry W Blakeman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:17
CPC Classifications
E; E02; E02D; E02D29/00; E02D29/12; E02D29/14; E02D29/1427; E05; E05B; E05B35/00; E05B35/008; E05B65/00; E05B65/006; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0801; Y10T292/0803; Y10T292/0805; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/554; Y10T70/5562; Y10T70/5575; Y10T70/558; Y10T70/5584
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1947-11-28 | 1948-05-29 | 1948-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-11-28 | 1952-05-29 | 1952-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-11-28 | 1956-05-29 | 1956-11-28 | $7700.00 | Window Closed / Lapsed |