US2850009A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric heating pad and vibrator
Assignee: Individual
•
Filing: 1956-01-25
•
Granted: 1958-09-02
•
Expires: 1976-01-25
Abstract
No abstract record available.
Inventors
- 👤 Russell A Mcelwee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:19
CPC Classifications
A; A61; A61H; A61H23/00; A61H23/02; A61H23/0218; A61H2201/00; A61H2201/01; A61H2201/0119; A61H2201/0138; A61H2201/0142; A61H2201/0149; A61H2201/02; A61H2201/0207; A61H2201/0221; A61H2201/0228
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA489471A
Cited
US2097455A
Cited
US2345438A
Cited
FR62167E
Cited
FR1057283A
Cited
US2779328A
Cited
US2800897A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-01 | 1962-03-03 | 1962-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-01 | 1966-03-03 | 1966-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-01 | 1970-03-03 | 1970-09-02 | $7700.00 | Window Closed / Lapsed |