US1341683A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Periscope
Assignee: Individual
•
Filing: 1918-07-31
•
Granted: 1920-06-01
•
Expires: 1938-07-31
Abstract
No abstract record available.
Inventors
- 👤 Harry H Styll
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:19
CPC Classifications
G; G02; G02B; G02B23/00; G02B23/02; G02B23/08; F; F41; F41H; F41H5/00; F41H5/26; F41H5/266
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) | 1923-06-01 | 1923-12-01 | 1924-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1927-06-01 | 1927-12-01 | 1928-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1931-06-01 | 1931-12-01 | 1932-06-01 | $7700.00 | Window Closed / Lapsed |