Patent US1206052A successfully refreshed from Google Patents.
US1206052A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Window-operating device.
Assignee: PERFECT WINDOW REGULATOR Co
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Filing: 1911-12-19
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Granted: 1916-11-28
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Expires: 1931-12-19
Abstract
No abstract record available.
Inventors
- 👤 Alvar K Ternstedt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:49
CPC Classifications
E; E05; E05F; E05F11/00; E05F11/38; E05F11/48; E05F11/481; E05Y; E05Y2900/00; E05Y2900/50; E05Y2900/53; E05Y2900/55
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) | 1919-11-28 | 1920-05-29 | 1920-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1923-11-28 | 1924-05-29 | 1924-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1927-11-28 | 1928-05-29 | 1928-11-28 | $7700.00 | Window Closed / Lapsed |