Patent US3427003A successfully refreshed from Google Patents.
Patent US1507962A successfully refreshed from Google Patents.
US1507962A
Expired / Lapsed
US
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Jig for assembling coordinate switches
Assignee: AT&T Inc
•
Filing: 1923-07-20
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Granted: 1924-09-09
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Expires: 1943-07-20
Abstract
No abstract record available.
Inventors
- 👤 Frank H Hibbard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:36
CPC Classifications
H; H01; H01H; H01H67/00; H01H67/22; H01H67/26; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/5313; Y10T29/532; Y10T29/53248; Y10T29/53983
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) | 1927-09-09 | 1928-03-10 | 1928-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-09-09 | 1932-03-10 | 1932-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-09-09 | 1936-03-10 | 1936-09-09 | $7700.00 | Window Closed / Lapsed |