US2154355A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wall and like plug
Assignee: Rawlplug Co Ltd
•
Filing: 1937-01-25
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Granted: 1939-04-11
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Expires: 1957-01-25
Abstract
No abstract record available.
Inventors
- 👤 Rawlings John Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:42
CPC Classifications
F; F16; F16B; F16B13/00; F16B13/14; F16B13/141; C; C04; C04B; C04B40/00; C04B40/06; C04B40/0666; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2973; Y10T428/2978
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) | 1942-04-10 | 1942-10-10 | 1943-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-04-10 | 1946-10-10 | 1947-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-04-10 | 1950-10-10 | 1951-04-11 | $7700.00 | Window Closed / Lapsed |