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US2967418A Expired / Lapsed US ⏱️ 0.0 years remaining

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Assignee: Shwayder Brothers Inc
•
Filing: 1957-09-12
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Granted: 1961-01-10
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Expires: 1977-09-12
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Abstract

No abstract record available.

Inventors

  • 👤 Donald James

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 11:11
CPC Classifications
E; E05; E05B; E05B63/00; E05B63/12; E05B63/127; E05B65/00; E05B65/52; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0801; Y10T292/0803; Y10T292/0805; Y10T292/0825; Y10T292/0826; Y10T292/0829; Y10T70/00; Y10T70/50; Y10T70/5009; Y10T70/5031; Y10T70/5058; Y10T70/5066; Y10T70/5093; Y10T70/5097; Y10T70/5111; Y10T70/5119; Y10T70/5155; Y10T70/5199; Y10T70/5246; Y10T70/5248; Y10T70/5252; Y10T70/5261

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US81226A Cited
US271662A Cited
US352627A Cited
US1964963A Cited
US2123940A Cited
US2720774A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-01-10 1964-07-11 1965-01-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-01-10 1968-07-11 1969-01-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-01-10 1972-07-11 1973-01-10 $7700.00 Window Closed / Lapsed

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