Patent US2531844A successfully refreshed from Google Patents.
US2835002A
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US
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Connector and joint for spar type timber construction
Assignee: McGraw Edison Co
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Filing: 1954-08-26
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Granted: 1958-05-20
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Expires: 1974-08-26
Abstract
No abstract record available.
Inventors
- 👤 John V Majewski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:31
CPC Classifications
E; E04; E04G; E04G7/00; E04G7/02; E04G7/06; E04G7/12; E04G7/18; Y; Y10; Y10T; Y10T403/00; Y10T403/71; Y10T403/7182; Y10T403/7194
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2704586A
Cited
US868843A
Cited
US900663A
Cited
GB191126980A
Cited
US1043260A
Cited
GB356799A
Cited
US2606952A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-19 | 1961-11-18 | 1962-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-19 | 1965-11-18 | 1966-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-19 | 1969-11-18 | 1970-05-20 | $7700.00 | Window Closed / Lapsed |