← Back to Patent Explorer
US1700487A Expired / Lapsed US ⏱️ 0.0 years remaining

Door latch

Assignee: Individual
•
Filing: 1927-05-07
•
Granted: 1929-01-29
•
Expires: 1947-05-07
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Otto P Cramer

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 22:10
CPC Classifications
E; E05; E05C; E05C1/00; E05C1/08; E05C1/12; E05C1/16; E05C1/163; Y; Y10; Y10S; Y10S292/00; Y10S292/26; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/0969; Y10T292/097; Y10T292/0994; Y10T292/1014; Y10T292/1022; Y10T292/1028

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

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) 1932-01-29 1932-07-30 1933-01-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1936-01-29 1936-07-30 1937-01-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1940-01-29 1940-07-30 1941-01-29 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag