US988710A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foreground ray-screen.
Assignee: GEORGE MURPHY Inc
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Filing: —
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Granted: 1911-04-04
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Expires: 1928-04-04
Abstract
No abstract record available.
Inventors
- 👤 John K Holbrook
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:16
CPC Classifications
G; G03; G03F; G03F5/00; G03F5/02; G03F5/12; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/24612
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) | 1914-04-03 | 1914-10-03 | 1915-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1918-04-03 | 1918-10-03 | 1919-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1922-04-03 | 1922-10-03 | 1923-04-04 | $7700.00 | Window Closed / Lapsed |