Patent US2556821A successfully refreshed from Google Patents.
US2556821A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door latch and pull
Assignee: Individual
•
Filing: 1946-03-26
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Granted: 1951-06-12
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Expires: 1966-03-26
Abstract
No abstract record available.
Inventors
- 👤 Frederick M Rameson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:39
CPC Classifications
E; E05; E05C; E05C3/00; E05C3/12; E05C3/14; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0911; Y10T292/0926; Y10T292/0928; Y10T292/0932
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) | 1954-06-11 | 1954-12-11 | 1955-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-11 | 1958-12-11 | 1959-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-11 | 1962-12-11 | 1963-06-12 | $7700.00 | Window Closed / Lapsed |