US1179384A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Controlling device for swinging doors.
Assignee: FRANK D CHASE
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Filing: 1915-05-13
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Granted: 1916-04-18
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Expires: 1935-05-13
Abstract
No abstract record available.
Inventors
- 👤 Frederick A Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:06
CPC Classifications
A; A62; A62C; A62C2/00; A62C2/06; A62C2/12; E; E05; E05F; E05F3/00; E05F3/22; E05F3/221; E05F3/222
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) | 1919-04-18 | 1919-10-18 | 1920-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1923-04-18 | 1923-10-18 | 1924-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1927-04-18 | 1927-10-18 | 1928-04-18 | $7700.00 | Window Closed / Lapsed |