US905330A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shield for mouthpieces of telephones.
Assignee: SCHUYLER S HAMPTON
•
Filing: 1906-07-20
•
Granted: 1908-12-01
•
Expires: 1926-07-20
Abstract
No abstract record available.
Inventors
- 👤 Thurston M La Jord
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:27
CPC Classifications
H; H04; H04R; H04R1/00; H04R1/12
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1911-12-01 | 1912-06-01 | 1912-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1915-12-01 | 1916-06-01 | 1916-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1919-12-01 | 1920-06-01 | 1920-12-01 | $7700.00 | Window Closed / Lapsed |