US2102598A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Controlling apparatus
Assignee: Adjustable Scaffold & Form Co
•
Filing: 1932-09-02
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Granted: 1937-12-21
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Expires: 1952-09-02
Abstract
No abstract record available.
Inventors
- 👤 Rex D Mcdill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:52
CPC Classifications
F; F02; F02N; F02N11/00; F02N11/08; F02N11/0803; F02N11/0807; F02N15/00; F02N15/02; F02N15/022; F02N15/028; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19377; Y10T74/19414; Y10T74/19419; Y10T74/19423; Y10T74/19428; Y10T74/19437; Y10T74/20; Y10T74/20207; Y10T74/20238; Y10T74/20244
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) | 1940-12-20 | 1941-06-21 | 1941-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-12-20 | 1945-06-21 | 1945-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-12-20 | 1949-06-21 | 1949-12-21 | $7700.00 | Window Closed / Lapsed |