US2719986A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hollow mattress and inflation control therefor
Assignee: AIR MASS Inc
•
Filing: 1950-12-16
•
Granted: 1955-10-11
•
Expires: 1970-12-16
Abstract
No abstract record available.
Inventors
- 👤 Henry J Rand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:07
CPC Classifications
A; A61; A61G; A61G7/00; A61G7/05; A61G7/057; A61G7/05769; A61G7/05776; Y; Y10; Y10S; Y10S128/00; Y10S128/20; Y10S297/00; Y10S297/03; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86501
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US885145A
Cited
US1147560A
Cited
US1820269A
Cited
US1772310A
Cited
US1883727A
Cited
US2113398A
Cited
US2345073A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-10-10 | 1959-04-11 | 1959-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-10 | 1963-04-11 | 1963-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-10 | 1967-04-11 | 1967-10-11 | $7700.00 | Window Closed / Lapsed |