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Patent US2561627A successfully refreshed from Google Patents.
US2561627A
Expired / Lapsed
US
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Pivoted door
Assignee: SEETRU PRODUCTS Ltd
•
Filing: 1950-11-28
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Granted: 1951-07-24
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Expires: 1970-11-28
Abstract
No abstract record available.
Inventors
- 👤 Klanner Rudolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:02
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/32; E06B3/50; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18888; Y10T74/1892; Y10T74/18936; Y10T74/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1349398A
Cited
US1736390A
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US1799222A
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US1889159A
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US1966943A
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US1959818A
Cited
US2059143A
Cited
US2322372A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-23 | 1955-01-22 | 1955-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-23 | 1959-01-22 | 1959-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-23 | 1963-01-22 | 1963-07-24 | $7700.00 | Window Closed / Lapsed |