Patent US2775490A successfully refreshed from Google Patents.
US2775490A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Scaffold board splicer
Assignee: Individual
•
Filing: 1955-07-29
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Granted: 1956-12-25
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Expires: 1975-07-29
Abstract
No abstract record available.
Inventors
- 👤 Martin E Hofrichter
- 👤 Hazel H Hofrichter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:54
CPC Classifications
E; E04; E04G; E04G1/00; E04G1/15; E04G7/00; E04G7/02; E04G7/28; Y; Y10; Y10T; Y10T24/00; Y10T24/44; Y10T24/44966; Y10T24/44974
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) | 1959-12-25 | 1960-06-25 | 1960-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-25 | 1964-06-25 | 1964-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-25 | 1968-06-25 | 1968-12-25 | $7700.00 | Window Closed / Lapsed |