US1360180A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Telephone-shelf
Assignee: Individual
•
Filing: 1920-08-11
•
Granted: 1920-11-23
•
Expires: 1940-08-11
Abstract
No abstract record available.
Inventors
- 👤 Raymond E Congdon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:43
CPC Classifications
H; H04; H04M; H04M1/00; H04M1/02; H04M1/11
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) | 1923-11-23 | 1924-05-24 | 1924-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1927-11-23 | 1928-05-24 | 1928-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1931-11-23 | 1932-05-24 | 1932-11-23 | $7700.00 | Window Closed / Lapsed |