US1156950A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door.
Assignee: Hale and Kilburn Co
•
Filing: 1913-11-06
•
Granted: 1915-10-19
•
Expires: 1933-11-06
Abstract
No abstract record available.
Inventors
- 👤 John G Wallace
- 👤 Alfred Bell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 03:37
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/54; E06B3/58; E06B3/5892
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) | 1918-10-18 | 1919-04-19 | 1919-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1922-10-18 | 1923-04-19 | 1923-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1926-10-18 | 1927-04-19 | 1927-10-19 | $7700.00 | Window Closed / Lapsed |