US1356708A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Facial pad adapted for use with field-glasses and other optical instruments and means for supporting the same alone or with other instruments or appliances on the head of the observer
Assignee: Individual
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Filing: 1919-03-25
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Granted: 1920-10-26
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Expires: 1939-03-25
Abstract
No abstract record available.
Inventors
- 👤 Goodyear Edward Thomas Parsons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:27
CPC Classifications
G; G02; G02B; G02B23/00; G02B23/16; G02B23/18; G02B7/00; G02B7/002
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) | 1923-10-26 | 1924-04-26 | 1924-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1927-10-26 | 1928-04-26 | 1928-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1931-10-26 | 1932-04-26 | 1932-10-26 | $7700.00 | Window Closed / Lapsed |