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US2704906A
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US
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Curtain stretcher
Assignee: Individual
•
Filing: 1952-10-22
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Granted: 1955-03-29
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Expires: 1972-10-22
Abstract
No abstract record available.
Inventors
- 👤 Dora G Amado
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:36
CPC Classifications
D; D06; D06C; D06C3/00; D06C2700/00; D06C2700/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US319345A
Cited
US604414A
Cited
CH14338A
Cited
GB191402443A
Cited
US1252981A
Cited
CH147121A
Cited
US2630652A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-03-28 | 1958-09-27 | 1959-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-03-28 | 1962-09-27 | 1963-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-03-28 | 1966-09-27 | 1967-03-29 | $7700.00 | Window Closed / Lapsed |