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US969641A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air-check for sliding doors.
Assignee: PERFECT SLIDING DOOR Co
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Filing: 1904-07-12
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Granted: 1910-09-06
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Expires: 1924-07-12
Abstract
No abstract record available.
Inventors
- 👤 Homer Laughlin Jr
- 👤 Daniel Schuyler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:52
CPC Classifications
E; E05; E05F; E05F3/00; E05F3/02; E05Y; E05Y2201/00; E05Y2201/20; E05Y2201/262; E05Y2201/264
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) | 1913-09-05 | 1914-03-07 | 1914-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-09-05 | 1918-03-07 | 1918-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-09-05 | 1922-03-07 | 1922-09-06 | $7700.00 | Window Closed / Lapsed |