US1012015A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metallic-window-sash construction.
Assignee: Lunkenheimer Co
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Filing: 1911-03-06
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Granted: 1911-12-19
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Expires: 1931-03-06
Abstract
No abstract record available.
Inventors
- 👤 George H Riddell
- 👤 William J Rowe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:34
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/68; E06B3/685
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) | 1914-12-18 | 1915-06-19 | 1915-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1918-12-18 | 1919-06-19 | 1919-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1922-12-18 | 1923-06-19 | 1923-12-19 | $7700.00 | Window Closed / Lapsed |