US3469837A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Experience theater
Assignee: Individual
•
Filing: 1966-03-09
•
Granted: 1969-09-30
•
Expires: 1986-03-09
Abstract
No abstract record available.
Inventors
- 👤 Morton L Heilig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:12
CPC Classifications
A; A63; A63J; A63J1/00; A47; A47C; A47C1/00; A47C1/12; A47C3/00; A47C3/02; A47C7/00; A47C7/62; A47C7/72; A47C7/723; A47C7/727; A63F; A63F13/00; A63F13/90; A63J25/00; A63J5/00; G; G03; G03B; G03B35/00; G03B35/18; G03B35/20; G03B35/26; G09; G09B; G09B9/00; G09B9/02; G09B9/08; G09B9/10; G09B9/16; G09B9/165; G09B9/22; G09B9/30; G09B9/32; A63F2300/00; A63F2300/30; A63F2300/302; A63F2300/80; A63F2300/8082; A63J2005/001; A63J2005/002; A63J2005/005; A63J2005/006; A63J2005/008
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-29 | 1973-03-31 | 1973-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-29 | 1977-03-31 | 1977-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-29 | 1981-03-31 | 1981-09-30 | $7700.00 | Window Closed / Lapsed |