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US2865267A Expired / Lapsed US ⏱️ 0.0 years remaining

Waterstop for expansion joints

Assignee: Individual
•
Filing: 1956-08-21
•
Granted: 1958-12-23
•
Expires: 1976-08-21
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Abstract

No abstract record available.

Inventors

  • 👤 Alonzo W Bailey

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 07:09
CPC Classifications
E; E02; E02D; E02D29/00; E02D29/16; E04; E04B; E04B1/00; E04B1/62; E04B1/66; E04B1/68; E04B1/6806

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2228052A Cited
US2368650A Cited
US2316660A Cited
US2554522A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1961-12-22 1962-06-23 1962-12-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1965-12-22 1966-06-23 1966-12-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1969-12-22 1970-06-23 1970-12-23 $7700.00 Window Closed / Lapsed

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