Patent US4520044A successfully refreshed from Google Patents.
Patent US2641809A successfully refreshed from Google Patents.
US2641809A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pencil holder for telephone instruments
Assignee: CHRISTINE E PERRY
•
Filing: 1950-03-03
•
Granted: 1953-06-16
•
Expires: 1970-03-03
Abstract
No abstract record available.
Inventors
- 👤 Kimball Raymond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:35
CPC Classifications
H; H04; H04M; H04M1/00; H04M1/02; H04M1/21; Y; Y10; Y10T; Y10T24/00; Y10T24/31; Y10T24/312
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1020916A
Cited
US1462108A
Cited
US1540394A
Cited
GB461277A
Cited
US2500837A
Cited
US2529567A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-15 | 1956-12-15 | 1957-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-15 | 1960-12-15 | 1961-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-15 | 1964-12-15 | 1965-06-16 | $7700.00 | Window Closed / Lapsed |