Patent US2827656A successfully refreshed from Google Patents.
US2827656A
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US
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Device for slidably supporting and guiding curtains and the like
Assignee: AWEPA Firma
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Filing: 1953-02-10
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Granted: 1958-03-25
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Expires: 1973-02-10
Abstract
No abstract record available.
Inventors
- 👤 Weber Alexander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:28
CPC Classifications
A; A47; A47H; A47H15/00; A47H15/04; A47H5/00; A47H5/02; A47H5/032; A47H1/00; A47H1/04; A47H2001/045
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US596815A
Cited
US1463598A
Cited
US1649215A
Cited
US1949224A
Cited
GB530608A
Cited
GB592054A
Cited
CH246448A
Cited
US2559072A
Cited
US2654114A
Cited
US2597224A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-24 | 1961-09-23 | 1962-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-24 | 1965-09-23 | 1966-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-24 | 1969-09-23 | 1970-03-25 | $7700.00 | Window Closed / Lapsed |