US1338689A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Latch
Assignee: JOHN A WHITTAKER
•
Filing: 1918-05-08
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Granted: 1920-05-04
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Expires: 1938-05-08
Abstract
No abstract record available.
Inventors
- 👤 Curtis A Massoll
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:11
CPC Classifications
E; E05; E05C; E05C9/00; E05C9/04; E05C9/041; E05B; E05B17/00; E05B17/007; E05C9/048; E05B15/00; E05B15/0053; E05B15/008; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0801; Y10T292/0834; Y10T292/0836; Y10T292/0843; Y10T292/096; Y10T292/1014; Y10T292/1022; Y10T292/1024; Y10T292/68; Y10T292/685
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) | 1923-05-04 | 1923-11-03 | 1924-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1927-05-04 | 1927-11-03 | 1928-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1931-05-04 | 1931-11-03 | 1932-05-04 | $7700.00 | Window Closed / Lapsed |